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Investigating Lessons for the EU’s Fundamental Rights Policies

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E. Muir, EU Equality Law – The First Fundamental Rights Policy of the EU (Oxford University Press2018)

Published online by Cambridge University Press:  05 May 2023

Vasiliki Kosta*
Affiliation:
Leiden University, The Netherlands, email: v.kosta@law.leidenuniv.nl
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Abstract

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Review Essay
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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© The Author(s), 2023. Published by Cambridge University Press on behalf of the University of Amsterdam

Introduction

Elise Muir lets us know early on that her book ‘is less an essay on equality law than an enquiry into the way a supranational organization, such as the EU, develops a fundamental rights policy’.Footnote 1 Equality law is chosen as the ‘case study’Footnote 2 from which wider lessons will be drawn.Footnote 3 Muir puts forward two main arguments in this book which can be summarised as follows: first, creating a fundamental rights policy such as that on equal treatment through legislation based on a distinct legal basis understood as giving specific expression to a fundamental right ‘creates a significant risk of over-constitutionalisation’.Footnote 4 That means the political debate on the definition of fundamental rights is limitedFootnote 5 because such definition is too closely tied to primary law (the constitutional version of the right). Second, Muir deals with what she calls the ‘governance’ of EU equality law in domestic spheres. She maps the governance ‘infrastructure’ as set up by secondary legislation (and as influenced by judicial intervention) to support a fundamental rights culture (on equality) at the domestic level. For her, this is where the real added value of equality law may lie today.Footnote 6 This is the second argument permeating the book, namely that ‘legal innovation’ at the domestic level is preferable to a top-down prescriptive approach, and equality law, with its own set of distinct tools and instruments, could teach us lessons here. In this review, I shall focus on the first argument of the book, concerning the risk of ‘over-constitutionalisation’, which takes up a larger share of the book. Before doing so, however, I shall first reflect on the notion of ‘fundamental rights policy’ as used in this book and on the delimitation of this study.

The book’s object of analysis: a ‘thin’ understanding of a specific ‘fundamental rights policy’

In examining the concept of a ‘fundamental rights policy’ for the EU, this book revisits an old theme. That is valuable as the literature in this field remains limited.

This theme emerged in the late 1990s when Alston and WeilerFootnote 7 famously urged the EU to adopt a human rights policy, comprising ‘positive’ measures as opposed to – and in order to complement – negative ‘legal prohibition on violations’.Footnote 8 Alston and Weiler’s human rights policy also had to be comprehensive. They highlighted gender equality as a single and laudable, even if ‘far from perfect’, initiativeFootnote 9 but this only illustrated that other areas were lagging behind. They also used a thick Footnote 10 understanding of the term ‘human rights policy’, meaning going beyond legislative initiatives.Footnote 11 Relatedly, Alston and Weiler put forward a forceful call for institutional reform in order to create policy structures and an administration tasked with policy formulation and implementation. Post-Lisbon, such reforms were undertaken. New bodies, structures and with them a series of mechanisms were introduced to meet the fundamental rights promotion duty per Article 51(1) CFR.

It is notable that Muir’s use of the term ‘fundamental rights policy’ in this book is narrower. She is mainly concerned with a thin (as opposed to a thick) understanding of a specific (as opposed to a general and comprehensive) ‘fundamental rights policy’. That means, in examining EU equality law as giving expression to the fundamental right to equal treatment, Muir’s main focus is on the concretisation and realisation of this specific fundamental right through secondary EU legislation. Within that, special value is ascribed to legislation with an explicit legal basis, solely concerned with this fundamental right.

Reflecting on the delimitation of the study

Both choices made in this book: (1) to focus on the thin dimension of the term ‘fundamental rights policy’; while (2) investigating equality law, warrant further consideration.

Focusing on the thin dimension is not immediately obvious at first sight because a broader understanding is conventionally used for the term ‘policy’– and not just in practice. Policy studies literatureFootnote 12 reveals that the definition of the term ‘public policy’ is not straightforward. Still, a certain core can be agreed on. The simplest and often quoted definition is a very broad one: ‘anything that a government chooses to do or not to do’.Footnote 13 Policy means to achieve policy objectives are wide-ranging and encompass much more than legislation. Muir, however, wants to put the emphasis on the legislation, presumably to emphasise the distinctiveness of equal treatment in this regard.

This leads to the second choice of investigating this specific rather than (aspects of) the EU’s more general fundamental rights policy.

Muir sets out the ‘fundamental rights policy’-nature of EU equality law with reference to two characteristics. First, its ‘transformative mandate’ or ‘transformative function’ – which for her appears to be a key qualifier of a fundamental rights policy. She derives this idea from an article by Von Bogdandy (but in a changed, paraphrased way),Footnote 14 that EU law scholars will remember as a prominent and critical response to Alston and Weiler’s calls for an EU human rights policy.Footnote 15 For Muir, drawing from Von Bogdandy but also Scharpf, this notion means that EU equality seeks ‘to achieve ‘inter-personal equality per seFootnote 16 and to ‘change democratic societies’.Footnote 17 This she contrasts with ‘just protecting individuals against threats to the said fundamental right or limiting European intervention that may affect such right’.Footnote 18 At times, the term ‘transformative function’ is used here interchangeably with the term ‘private function’, i.e. the application of EU equality law in the private sphere, though the former notion seems to be broader in nature than the latter. In any case, it stands next to EU equality law’s so-called ‘infrastructural function’, namely its application in the public sphere.

The second, for Muir, key distinctive characteristic of EU equality law as a fundamental rights policy relates to its current mandate in the Treaties. We are reminded that, since the Treaty of Amsterdam, equal treatment profits from a specific legal basis: Article 19 TFEU (for combatting discrimination based on sex, racial or ethnic origin, religion or belief, disability, age or sexual orientation), which importantly stands next to and complements the older Article 157(3) TFEU (for ensuring the application of the principle of equal opportunities and equal treatment of men and women in matters of employment and occupation, including the principle of equal pay for equal work or work of equal value), that includes both economic and social elements. This is special according to Muir because it gives the EU a specific competence on a fundamental right and the fundamental rights dimension has been acknowledged early on by the Court of Justice (the Court) and has been enhanced over time. There are, of course, also other fields where the EU has a more specific fundamental rights competence, and Muir acknowledges this fact. She mentions in particular two well-known examples: asylum law and data protection, but distinguishes them. Asylum law is said to be different because it is ‘more concerned with consistency of EU intervention’.Footnote 19 Data protection, on the other hand, resembles equality lawFootnote 20 post-Lisbon because it now has a distinct legal basis (Article 16 TFEU), but is for her still differentFootnote 21 because this legal basis maintains a reference to the free movement of data and is thus reminiscent of the internal market (Article 16(2) TFEU); this is said to be also mirrored in the relevant legislation. Muir thus places the distinctiveness of equality law in the fact that action in this realm is based on a legal basis that is explicitly concerned with enhancing a fundamental right and includes no other objective. She thus distinguishes ‘instruments impacting on fundamental rights protection while achieving another central policy aim’Footnote 22 as distinct from EU equality law. Because of the absence of other co-existing objectives, she qualifies this policy as an ‘autonomous’ fundamental rights policy, which is the ‘first’ such policy.

Given the distinction Muir makes for data protection, logically this must then be for her the ‘only’ such policy thus far.Footnote 23 Based on this, the ‘lessons to be learned’ appear to be directed at ‘emerging’Footnote 24 fundamental rights policies. Given the emphasis on the nature of the legal basis, however, there is no room for other fundamental rights policies (in Muir’s use of the term) to emerge in the absence of Treaty amendment. Here the reader may wonder what these lessons to be learned are then directed at? It appears throughout the book that in present times the main candidate is data protection law, even if there are limits to that.

Let us now turn to the ‘over-constitutionalisation’ argument. Muir first lays down the risks associated with over-constitutionalisation in theory (Chapter 2) before illustrating those based on her case study (Chapter 3). She then seeks to draw wider lessons for other fundamental rights policies (Chapter 4).

The risk of ‘over-constitutionalisation’ in theory

Muir rehearses here familiar arguments for judicial vs. legislative approaches to fundamental rights protection. She relies mainly on well-established accounts of Waldron, who ‘emphasizes the role of legislation in placing disagreement on the nature and shape of fundamental rights protection at the core of political activity’,Footnote 25 and on Somek holding ‘constitutions that require public intervention to elaborate rights and political institutions ought to be given leeway to choose how to flesh out the positive dimension of a fundamental right’.Footnote 26 She also draws on Von Bogdandy,Footnote 27 to highlight risks that come with framing such legislation in fundamental rights terms or as being part of a fundamental rights policy. Those risks are presumably amplified in the EU context.

I understand Muir to connect the points made by Waldron, Somek and Von Bogdandy in the following way: settling disagreement on fundamental rights at the legislative level is desirable. What is less desirable is the couching of legislation in fundamental rights terms because that may lead to unwanted ‘interferences between two layers of norms’.Footnote 28 The Court may, under these circumstances, find it easier to interpret secondary legislation based on the constitutional (primary law) version of a right, and thus take the matter away from the political processes. In the EU context, this is even more tricky than it would be in national contexts, because the EU legal order is said to be already heavily constitutionalised (in particular its economic law) and ‘a great emphasis on fundamental rights discourses would only enhance the appeal to intensify’ it even more.Footnote 29 This would, in turn, defeat the idea of placing special emphasis on political avenues for resolving conflicts between competing interests in the EU.Footnote 30

So, Muir’s concern of ‘over-constitutionalisation’ seems to relate to the specific idea of judicial reliance on the constitutional version of a fundamental right in order to constrain the legislature in shaping the same right via the political process (where there is an explicit – and ‘sole aim’ – fundamental rights competence to do so). And this is presumably made easier for Courts when legislation is couched in fundamental rights terms.

The reader may relate the concern Muir identifies to Grimm’s ‘over-constitutionalisation’-problem in the EU,Footnote 31 in the sense that both are concerned with the ordinary legislature not being too constrained by constitutional provisions. But the two are not quite the same. Grimm states that in the EU, ‘the treaties are not confined to those provisions that reflect the functions of a constitution. They are full of provisions that would be ordinary law in the Member States’.Footnote 32 This became problematic the moment the treaties were no longer treated as traditional international law but became ‘constitutionalised’ through the doctrines of direct effect and supremacy.Footnote 33 Grimm’s important point is that many provisions that at the moment do exist as primary Treaty law should not be there.

So, while Grimm is concerned with what should and should not count as primary (‘constitutional’) Treaty law, Muir’s concern is how much room (she argues for much more than was hitherto the case) should be left to the political process for articulating a fundamental right (equal treatment) whose existence in primary (‘constitutional’) law is not questioned.

Be that as it may, Muir also notes the added complication resulting from the impact of EU law on national law (the ‘supranationalisation of fundamental rights discourse’Footnote 34) with reference to arguments by WalkerFootnote 35 for a fundamental rights policy on the grounds of enhancing the Union’s legitimacy; and arguments against it with reference to Kennedy,Footnote 36 RuzzaFootnote 37 and others on the basis of its potential divisive effects.

While EU intervention is said to be particularly intrusive at domestic level and claims to diversity at that level need to be taken seriously, Muir argues that EU law’s ‘infrastructure’ does not make that easy. The EU legal order (unlike the ECHR system) is not subsidiary and she considers the principle of subsidiarity ill-suited to regulate EU legislative intervention in fundamental rights matters. According to Muir, subsidiarity, while to some degree useful, cannot effectively address the concern for maintaining diversity on fundamental rights at the domestic level – for two reasons: first, because ‘Art. 5(3) TEU relies on the assumption that the principle articulates the relationship between the EU and the Member States in a transnational context’.Footnote 38 That makes it, for her, an inappropriate tool for those fundamental rights competences which, as is the case with equality law, are ‘concerned with regulating relationships within states; they go further in deepening European integration rather than merely regulating relationships among states’.Footnote 39 Second, she argues that since subsidiarity consists of a ‘two-tier comparative efficiency test’ which ‘is based on an assessment of the effectiveness of the law to pursue a pre-established objective’Footnote 40 such test cannot address what fundamental rights standard-setting is about, namely prioritising and balancing values. She states ‘key conflicts on the definition of fundamental rights standards […] cannot be solved by comparative efficiency tests’.Footnote 41

It is easy to agree with Muir that at present subsidiarity may not be a tool with teeth in ensuring respect for the local level because of the Court’s well-known reluctance to seriously review or strike down legislation for violating this principle,Footnote 42 which inherently asks for considerable political discretion. However, the two arguments noted above which she presents for rejecting subsidiarity’s role in this context on conceptual grounds may be contestable on the following grounds: first, the text of Article 5(3) TFEU does not indicate the need for a ‘competence with a cross-border component’,Footnote 43 and it is clear that it applies to all shared competences. Therefore, it is arguable that subsidiarity could assume different meanings when it is applied to legislation that articulates values at EU level, such as is the case with equality law, as opposed to harmonising legislation of national regulatory regimes such as that of the internal market (which may also or incidentally articulate values at EU level). Second, and relatedly, subsidiarity in this context can take a role different from the kind of comparative efficiency applicable to the harmonisation of national regulatory regimes and in any case does not have to address conflicts of values. Rather, in relation to legislation that articulates values at EU level (and therefore also prioritises or mediates between conflicting ones) subsidiarity can question the detail in which matters should be set out at the EU level or left to the national level for local experimentation. So, subsidiarity may not be ‘ill-suited’ as a tool, but of course there does remain the question of how to operationalise it in practice.

Illustrating the risks of ‘over-constitutionalisation’

Muir starts her next chapter by mapping the fragmented field of EU equality law to demonstrate the problem of ‘over-constitutionalisation’. Subsequently, she ‘investigates options for judicial interpretation to be able to accommodate the political dimension of fundamental rights policy-making’,Footnote 44 in order to draw lessons.

We are led here through seminal cases on EU equality law starting with Defrenne II Footnote 45 where the Court famously pronounced the horizontal direct effect of what is today Article 157(1) TFEU. In doing so the Court is said: (1) to have placed this article and itself in a central position on the development of EU equality law; (2) to have ‘revealed the transformative mandate of EU equality law’ Footnote 46 because of the direct regulation of private relationships; and relatedly (3) to have increased the potential for EU induced change at the national level through domestic litigation between private parties based on EU rights. The subsequent codification of legal concepts defined in sex and nationality discrimination case law is said to have forestalled political debate on the issue,Footnote 47 leading to a ‘political entrapment’.

While we gain here an impression of this case as a seminal early example of the type of ‘over-constitutionalisation’ of EU equality law that Muir laments, she seems to somewhat row back from that in the epilogue to this chapter. This occurs in response to an anonymous reviewer of the book proposal arguing that her suggested approach in favour of non- or de-constitutionalised approaches to EU equality law could ‘call into question the entire edifice of EU equality jurisprudence’.Footnote 48 In negating this, Muir seeks to distinguish more recent equal treatment case law from Defrenne II based on how the Court must have perceived Article 119 EEC with reference to its ‘tone’ in this ruling. She argues that the article was regarded as a roadmap for further integration enforcing pre-existing political commitments; it was seen as ‘an ordinary regulatory tool[] and not a fundamental right’.Footnote 49 It was also self-executing (Muir notes here that ‘the absence of a legal basis for the adoption of further political guidance in the relevant section of the Treaty was used to support the idea that the said article conveyed a clear legal commitment’Footnote 50), and the retroactive effect of the judgment was excluded. Additionally, for Muir the stage of European integration – how far it has progressed – is determinative of how cautious one should be towards a ‘constitutionalisation’ approach. While she does not specify the precise point of integration at which such an approach would become problematic, for her the current stage has reached such a level of sophistication and depth that ‘political guidance on EU fundamental rights law is particularly strongly warranted’.Footnote 51 And yet at this point the reader may be left wondering what to make of Defrenne II and its legacy. After all, according to Muir’s own analysis, Defrenne II and subsequent case law echoes into our times; and she does use the argument of ‘political entrapment’ to find problems of over-constitutionalisation in contemporary case law where the Court actually refers to legislative content in cases such as Kücükdeveci. Footnote 52

Mangold Footnote 53 and Kücükdeveci are indeed the next important step in this account. It follows from them that a fundamental right/general principle as fleshed out in a Directive can be invoked in a horizontal situation. Muir notes that the Court ‘relies on secondary legislation combined with the General Principle of non-discrimination to reach a result close to what would have been achieved if Article 19 TFEU had been modelled on Article 45 TFEU [including the abolition of discrimination on grounds of nationality between workers of the Member States as regards employment remuneration and other conditions of work] or Article 157(1) TFEU [including the principle of equal pay for male and female workers for equal work or work of equal value]’;Footnote 54 that is, if it were a substantive provision with horizontal direct effect – the opposite of what the Treaty drafters intended. The law-politics imbalance has for Muir thus increased, especially because the field of equality law has widened since the days of Defrenne II. The fact that in cases such as Mangold and Kücükdeveci the Court is actually relying on the politically debated (legislative) content of a Directive when applying the constitutional principle is not considered by her to undo the problem for two reasons. First, with regard to the ‘political entrapment’ argument mentioned above: that the concepts contained in the equality legislation at play in these cases are partly derived from or influenced by ‘constitutional case law’ relating to sex equality law. Second, that it will be difficult to amend the legislation due to Article 19 TFEU’s unanimity requirement ‘and the content of any reform may have to be checked against the content of the old directive, which is informative as to the substance of the constitutional right to equal treatment’.Footnote 55

Muir derives this last point from Advocate General Trstenjak’s Opinion in Dominguez, where she called this – and Muir borrows the term – an ‘ossification’ of legislative content.Footnote 56 It is important to note on this point, however, that after Kücükdeveci, and the publication of this book, the case law has developed so as to de-couple the Charter right (or the general principle) from the relevant directive when applying it in horizontal situations. The first indications of this were to be found in AMS,Footnote 57 but the cases Egenberger Footnote 58 and later Bauer and Broßon Footnote 59 mark the changed approach. In these later cases the Court clarifiedFootnote 60 that it is only the Charter right (primary law) that has horizontal direct effect, and not the directive or the Charter right in combination with the directive, provided the Charter right fulfils the conditions that it is mandatory and unconditional in nature. So, the Court ‘le[ft] the Directive aside entirely’ and found that ‘Article 31(2) of the Charter, in and of itself, had the effect of limiting the Member States’ discretion to retroactively remove the enjoyment of the right [at issue]’.Footnote 61 The function of the directive is considered to merely act as a ‘pull factor’Footnote 62 bringing the situation within the scope of EU law. Ascribing such function to directives when considering the question of the applicable law leads to doctrinal difficulties.Footnote 63 But does a case like Bauer and Broßon lead to overconstitutionalisation in the sense that the legislature’s room for further specifying an abstractly formulated constitutional right is overly constrained because the Court relies on and ties it too closely to primary law? The answer is arguably in the negative for three reasons.

First, in this case the Court did not elevate a (detailed) legislative provision to the constitutional level – but applied only the content of a Charter right that already existed at that level. This avoids the ‘ossification of legislative content’, because the two sources are not conceptually interchangeable.

Second, there is overlap between the Charter and the Directive at issue (Directive 2003/88Footnote 64) but that overlap is inherent in the Treaties. The Explanations to the Charter, which the Court duly took into account (per Article 52(7) CFR) state that the right to paid annual leave in Article 31(2) CFR was based – next to the European Social Charter and the Community Charter of the Fundamental Social Rights of Workers – also on Directive 93/104/EC,Footnote 65 which was codified in Directive 2003/88 and its provision on paid annual leave at stake here ‘reproduced the terms of Article 7 of Directive 93/104 exactly’.Footnote 66

Third, the Court applies a Charter right that it is qualified as an essential principle of social law, mandatory in nature and unconditional. It is mandatory because it articulates the right in mandatory terms and not, for example, referring to conditions provided for by Union law and national laws and practices.Footnote 67 It is unconditional because it does not need to be given concrete expression by provisions of EU law or national law; those could only specify ‘the exact duration of annual leave and, where appropriate, certain conditions for the exercise of that right’.Footnote 68 In that sense, the Court applies the core of the right that the legislature cannot deviate from.

To be sure, there are still constitutionalisation forces at play; they relate to what can be loosely termed the ‘constitutionalisation of private law’ by extending the application of certain Charter rights to private parties, as the Court has done already with equal treatment in Kücükdeveci and in Mangold (with respect to the general principle).Footnote 69

Turning now to Muir’s investigation of how judicial interpretation could accommodate the political dimension of fundamental rights law-making, she first discusses cases where room for the political is said to be limited by the judiciary, and subsequently those which demonstrate the Court’s ability to resist interpretations that lead to ‘over-constitutionalisation’. The aim is to draw lessons from both.

The first cases show two types of clashes between the judicial and the political levels: one that Muir attributes to ‘the tone used by the key players’Footnote 70 and one to ‘the level at which the debate was located’.Footnote 71

Starting with the latter, she discusses the Barber Footnote 72 saga and the case law on ‘positive action’. The early seminal cases Kalanke,Footnote 73 Marshall Footnote 74 and the later Briheche Footnote 75 case are highlighted. With the Barber saga Muir wishes to illustrate the ‘reluctance by treaty-makers to reverse the Court’s case law framed in constitutional terms’.Footnote 76 She explains how the Court provided a different interpretation of Article 157(1) TFEU than that which the legislature had assumed in a Directive pre-dating the case, but what she emphasises is that the member states ‘did not [subsequently] use the Maastricht Treaty as an opportunity to overrule Barber. They limited themselves to expressing their discontent in an explanatory protocol’ (by pushing the effects of the judgment 40 years down the line).Footnote 77 For Muir this demonstrates the Treaty drafters’ reluctance to overrule the Court ‘presumably out of fear of unsettling the institutional balance within the EU’.Footnote 78 The point on the Treaty makers’ reluctance to overrule the Court stands; but as to the potential motives ascribed to it for doing so, it is not so obvious why the institutional balance would be upset given that the role and mandate of the respective actors appears to be intact. After all, the Court’s role is to interpret (primary) law and the Treaty drafters’ role is to draft or alter the Treaties.Footnote 79

The ‘positive action’ case law is used to illustrate ‘the Court’s reluctance to respond to relevant changes at the constitutional level’.Footnote 80 Muir explains that the starting point for positive action cases in the early days was the Court’s strict interpretation of Article 2(4) of Directive 76/207Footnote 81 (allowing member states to take measures to promote equal opportunity for men and women, in particular by removing existing inequalities which affect women’s opportunities). With the Treaty of Amsterdam, a new Treaty provision was inserted, what is now Article 157(4) TFEU, which Muir states ‘unquestionably call[ed] for the Court to accept a wider range of domestic positive action measures’.Footnote 82 Muir finds it noteworthy that in the case law after this Treaty change, such as Briheche, the Court ‘kept its reasoning on the relevant treaty provision to the strict minimum’.Footnote 83 Here one does wonder whether this is sufficient evidence for making the argument that the Court is reluctant to respond to changes made at the constitutional level, especially after Muir notes that a reason for the ‘discrete response’ of the Court might be that it considers ‘its post-Kalanke case law to be in line with the new Article 157(4) TFEU’.Footnote 84

As a more general point, the reader will note that the interplay focused on in these two sets of cases is not one between the constitutional version of the right and that set out through secondary legislation – the primary focus of the book. Rather, it is between the constitutional version of a right as manifested in the Court’s interpretation of secondary legislation, and the constitutional version of a right as subsequently set out by the Treaty drafters. To the extent that we are looking at that interplay, Muir tells us that both the Court and the Treaty drafters have an interest in not ‘acknowledging the political dimension of fundamental rights law-making’.Footnote 85 The former because it ‘would amount to a significant loss of influence as the protection of fundamental rights has historically been in its hands’.Footnote 86 The latter because ‘by intruding more explicitly in the Court’s case law (…) [they] may affect the authority of rights that they are intending to place above ordinary law-making processes’.Footnote 87 This last point may be true, but presumably only if the Treaty drafters were to consistently and systematically alter the Court’s position on fundamental rights.

There is a further important point to note: as Muir herself acknowledges, both lines of case law (the Barber saga and the positive action case law) are actually ‘devoid of references to fundamental rights’.Footnote 88 As a result, these cases do also not actually illustrate the argument that the couching of issues in fundamental rights language will be a determinant for diminishing the scope of political deliberation on the content of the relevant rights. Muir considers them, however, still useful to demonstrate that even overturning the Court’s position through constitutional Treaty amendment may be difficult to achieve.

Muir’s second example of a clash between the judicial and political level is illustrated by Test-Achats.Footnote 89 It is a clash between the legislature and the Court and this time both actors did ‘express[] themselves in fundamental rights terms’. That, combined with the fact that both had a ‘constitutional mandate’ (the Court to protect the fundamental right to equal treatment and the legislature to give expression to it) are said to have led ‘to a head-on collision’,Footnote 90 where the Court found Directive 2004/113/EECFootnote 91 ‘to breach the same higher ranking principle of equal treatment to which it gives expression’.Footnote 92 Muir relies here on Davies, to articulate the ‘lesson’Footnote 93 that the legislature should change its ‘tone’. It should emphasise political considerations, rather than principled arguments based on fundamental rights, to increase its chances for a wider margin of manoeuvre granted by the Court.Footnote 94

Although this argument may sound perhaps plausible in the abstract, the specifics of Test-Achats arguably demonstrate that this is not a good case for making this point, for two reasons. First and foremost, the Court did not interfere at all with the substantive choices of the legislature, so the argument that a different type of framing of these choices would be a remedy to the problem does not follow. As Lenaerts has explained, the Court adopted in this case ‘process-oriented review’.Footnote 95 That means it ‘decided not to second-guess the appropriateness of the policy choices made by the EU legislator’.Footnote 96 The focus is on the decision-making process (which resulted in an incoherent/inconsistent piece of legislation)Footnote 97 rather than on its substantive choices. Second, it is hard to see how the alternative approach put forward by Davies, and endorsed by Muir (that the legislature explains why certain distinctions between men and women made in legislation do not amount to discrimination), would in fact not be reasoning within a framing of equality law and thus within fundamental rights law.

In any event, Muir juxtaposes the cases above to those where ‘[a] clear line [is drawn] between the respective functions of constitutional and legislative provisions and also between the role of the judiciary and that of the legislature’. She uses Grant Footnote 98 to show that it is possible for the Court to ‘decline to broaden the scope of EU fundamental rights jurisdiction on the basis of constitutional adjudication’Footnote 99 (the Court rejected the argument that difference of treatment based on sexual orientation is covered by Article 157(1) TFEU); and citizenship case law to show that it is possible for it to ‘de-constitutionalise’ an area (Brey Footnote 100 and Dano Footnote 101) after it has ‘constitutionalised’ it (Martínez Sala Footnote 102). Although views in the literature differ about when exactly the Court changed its approach,Footnote 103 it is convincing to see this change as being directly linked to the introduction of the Union Citizenship Directive.

Lessons learned

Muir distils from the overall discussion indicators for ‘what influences the readiness of the EU judiciary to adopt [an approach that gives more room to the legislature]’.Footnote 104 These factors are the concrete ‘lessons’ that she draws. They are four. First, the text of the Treaty provisions at stake is one that ‘clearly identified the need for further political guidance’.Footnote 105 Second, that ‘the secondary legislation (…) relied upon has a strong organic link with the relevant treaty provisions’, which ‘may make it easier for the judiciary to shift from one level of analysis [primary law] to the other [secondary law]’.Footnote 106 Third, the quality of the legislation, e.g. whether it provides for legal certainty or passes the proportionality test in both its substantive and procedural form. Fourth, ‘the tone chosen by the legislature’,Footnote 107 meaning that the Court will be more deferential to the legislature if the latter makes the policy dimension of its decision clear.

Based on Muir’s own observations, the first two factors do not strike as indicators that have a clear explanatory value. Regarding the first factor, that the Treaty provisions clearly identify the need for further political guidance, Muir points out that Articles 19(1) and 157(3) TFEU amount to ‘comparable invitations to defer to secondary legislation despite case law going in the opposite direction’ (the Mangold-Kücükdeveci case law). As regards the second factor, concerning a strong organic link between the secondary legislation and the relevant Treaty provisions, Muir acknowledges that this can go either way as the case law on age discrimination on the one hand and citizenship on the other demonstrate.Footnote 108 The third factor concerning the quality of legislation, e.g. whether it provides for legal certainty or passes the proportionality test in both its substantive and procedural form, persuades as indicative, but this does not seem surprising as these would be criteria that determine the legality of all secondary legislation, irrespective of whether it is concretising fundamental rights. The fourth factor, concerning ‘the tone chosen by the legislature’,Footnote 109 is for Muir ‘perhaps the more important’ one.Footnote 110 As discussed above, this may be a factor that influences the Court’s deference (even if, in my opinion, it cannot be derived from the Test-Achats case).

In her conclusion Muir goes from the perceived ‘empirical’ indicators to the normative. She is concerned with giving more room to the political rather than the judiciary on fundamental rights law-making (to create a more ‘healthy balance’Footnote 111). Thus, ‘the constitutional norm itself ought to call explicitly for political guidance’; the legislature should not adopt a principled ‘tone’ but provide for clear and coherent rules whereas, the judiciary ‘may have to refrain from palliating limits or imperfections resulting from the policy-making process’.Footnote 112

Apart from the question of the true indicative value of all the factors listed, the question arises to what extent the points raised are particular to EU equality law with all the distinctiveness ascribed to it in earlier chapters or whether they can be transposed to other areas. Muir picks this up in the next chapter.

Transferable lessons?

The key question in Chapter 4 is ‘to what extent could problems similar to those identified [thus far] in the context of EU equality law arise in other contexts?’Footnote 113 Muir answers by putting forward ‘guidelines’ for distinguishing between ‘legislation giving expression to fundamental rights’Footnote 114 on the one hand and ‘ordinary legislation’ on the other: if we are concerned with the former (in a field outside equality law) then similar problems may arise. For Muir, those problems do not merely relate to ‘the ability to invoke directives in private disputes; it may also affect the conditions for judicial review [of new legislation attempting to change the previous policy – the problem of ‘ossification’ of legislative content discussed above] and more broadly the legitimacy of EU intervention in the field’.Footnote 115 Muir’s main concern is thus to limit exportation of ‘the Kücükdeveci effect’,Footnote 116 by confining it to ‘fundamental rights legislation’, which for her is not the same as ‘an overlap in subject matter between legislation and primary rights’.Footnote 117 But as noted above, the Court’s case law has progressed since the publication of this book so that the derived guidelines for limiting ‘constitutionalisation’ may to a certain extent become perhaps less relevant today. We shall nonetheless note her criteria and how she applies them to distinguish the relevant legislation thereby giving the Court tools for maintaining a restraint approach.

The guidelines distinguishing fundamental rights legislation from ordinary legislation are derived from case law contrasting, in particular, EU equality law (Kücükdeveci, Mangold) with social law (Dominguez, Fenoll,Footnote 118 AMS). Here again, Muir moves from the descriptive to the normative. She first searches for distinguishing characteristics in the two sets of case law, then she formulates the same ones into guidelines and finally submits that ‘the Court does well in distinguishing ordinary legislation-making from fundamental rights legislation making based on these criteria’.Footnote 119 These are the guidelines: (1) the existence of a fundamental right protected by EU constitutional law, meaning it should be protected by primary law; (2) this fundamental right should be substantiated through legislation, i.e. ‘there must be a subject matter overlap between the primary and secondary right’;Footnote 120 (3) ‘this overlap ought … to be intended to flesh out the fundamental right at hand’.Footnote 121 This last condition she calls sometimes ‘a specific relationship’Footnote 122 or an ‘organic link’ between the legislation and the primary right.

Muir first applies them to equal treatment clauses ‘which are scattered across EU directives designed to ensure the protection of atypical workers as well as third country nationals’.Footnote 123 She concludes here that these ‘should be treated as clearly distinct from the primary right to equal treatment’.Footnote 124

The conclusion is different when the same criteria are applied to data protection law and more specifically the General Data Protection Regulation (GDPR).Footnote 125 The application of the first two conditions is straightforward and can be answered in the affirmative in this case; but the third condition – the more hazy one – is also said to be met, for three reasons: first, the location of its legal basis (Article 16 TFEU) in the treaties – it is placed under ‘provisions of general application’ and even before non-discrimination; second, the actual wording of the legal basis – the right to data protection is set out therein, and in the Charter, and the market objective maintained in Article 16 TFEU is not considered an obstacle; third, its ability to produce direct effect. Muir rightly notes that the Kücükdeveci approach is not relevant to this area because we are concerned with a Regulation that already has horizontal direct effect, and the same is likely true for Article 16 TFEU.

Looking at the current data protection regime, Muir does see parallels with equality law when relying on an analysis by Lynskey concerning ‘uncertainties in the relationship between the two sets of rights [constitutional versus legislative]’.Footnote 126 The reason is that the GDPR can be reviewed based on Article 8 CFR, which in part refers to the earlier Data Protection DirectiveFootnote 127 as its basis and may be defined by reference to that.Footnote 128 For Muir this ‘… may limit the possibility for EU political institutions to redesign a fundamental rights policy through legislation’. This scenario is, however, not the same as the problem of ‘ossification’ of legislative content identified earlier in the Mangold/Kücükdeveci scenario. In the former it is driven by the Court; in the latter it was the choice of the Charter/Treaty drafters to partly base their understanding of the right to data protection on fundamental principles laid down in the Data Protection Directive.

Conclusion

This book does well to revive the theme of EU fundamental rights policy-making and to investigate fundamental rights in legislation. It provides and invites needed contemplation on the interplay between the legislature and the judiciary in the protection of equality law, and fundamental rights more generally, and the identified problem of ‘over-constitutionalisation’, especially as the case law is developing in this field.

References

1 E. Muir, EU Equality Law – The First Fundamental Rights Policy of the EU (Oxford University Press 2018) p. 21.

2 Muir, ibid., p. 201.

3 Note, though, that the Series Editors consider the book to constitute an ‘addition to the existing literature on EU equality law’ (emphasis added).

4 Muir, supra n. 1, p. 3.

5 Ibid.

6 Ibid., p. 145.

7 P. Alston and J.H.H. Weiler, ‘The European Union and Human Rights: Final Project Report on an Agenda for the Year 2000’, in Leading by Example: A Human Rights Agenda for the European Union for the Year 2000: Agenda of the Comité des Sages and Final Project Report (Academy of European Law, EUI Florence 1998).

8 Alston and Weiler, ibid., p. 666. The terms ‘human rights’ and ‘fundamental rights’ are often used interchangeably in the English-speaking literature. Muir does the same. Therefore, the same approach is maintained in this piece.

9 Ibid.

10 This choice of term is this author’s.

11 E.g. administrative and budgetary prioritisations, working through civil society, funding human rights initiatives in external relations.

12 Relying here on M. Howlett and B. Cashore, ‘Conceptualizing Public Policy’, in I. Engeli and C. R. Allison, Comparative Policy Studies – Conceptual and Methodological Challenges (Palgrave Macmillan 2014) p. 17.

13 T. Dye, Understanding Public Policy (Prentice-Hall 1972), as cited in Howlett and Cashore, ibid.

14 Muir, supra n. 1, p. 15 with reference to A. Von Bogdandy, ‘The European Union as a Human Rights Organization? Human Rights and the Core of the European Union’, 37 CMLRev (2002) p. 1307.

15 Von Bogdandy, ibid.

16 Muir, supra n. 1, p. 15, citing F. Scharpf, ‘Perpetual Momentum: Directed and Unconstrained?’, 19 JEPP (2012) p. 127 at p. 132-133.

17 Muir, supra n. 1.

18 Ibid.

19 Ibid.

20 Ibid., p. 178: ‘EU data protection law to some extent constitutes a fundamental rights policy’ (emphasis added).

21 Ibid., Chapter 4, section C ‘EU Equality and Data Protection Law: Parallel Constitutional Designs and Challenges’, at p. 136 ff.

22 Ibid., p. 15.

23 Ibid., p. 14.

24 Ibid., p. 14.

25 Ibid., p. 44 discussing J. Waldron, Law and Disagreement (Oxford University Press 1999).

26 Ibid., discussing A. Somek, The Cosmopolitan Constitution (Oxford University Press 2014).

27 Von Bogdandy, supra n. 14, p. 1315, discussed by Muir at p. 37.

28 Muir, supra n. 1, p. 39.

29 Ibid.

30 Per Von Bogdandy, supra n. 14, we should insist in doing so. See arguments in support at p. 1328-1329, not as such presented by Muir.

31 D. Grimm, ‘The Democratic Costs of Constitutionalisation: The European Case’, 21 European Law Journal (2015) p. 460.

32 Ibid., p. 470.

33 Ibid.

34 Muir, supra n. 1, Ch. 2.C.

35 Ibid., p. 45, referring to N. Walker, ‘Human Rights in a Post-National Order: Reconciling Political and Constitutional Pluralism’, in T Campbell et al. (eds.), Special Essays on Human Rights (Oxford University Press 2001) p. 127 at p. 135.

36 Muir, supra n. 1, p. 46 referring to D. Kennedy ‘The International Human Rights Movement: Part of the Problem?’, 15 Harvard Human Rights Journal (2002) p. 101 at p. 117.

37 Muir, supra n. 1, referring to C. Ruzza, ‘Civil Society Actors and EU Fundamental Rights Policy: Opportunitites and Challenges’, 15 Human Rights Review (2014) p. 65 at p. 71.

38 Muir, supra n. 1, p. 48 with reference to T. Horsley, ‘Subsidiarity and the European Court of Justice: Missing Pieces in the Subsidiarity Jigsaw’, 50 Journal of Common Market Studies (2012) p. 267 at p. 275.

39 Muir, supra n. 1.

40 Ibid., p. 49.

41 Ibid., relying in particular on G. Davies, ‘Subsidiarity as a Method of Policy Centralisation’, Hebrew University International Law Research Paper (2006) No. 11/2006.

42 Muir, supra n. 1, p. 48.

43 Ibid.

44 Ibid., p. 78.

45 ECJ 8 April 1976, Case 43/75, Gabrielle Defrenne v Société anonyme de belge de navigation aérienne Sabena, ECLI:EU:C:1976:56.

46 Muir, supra n. 1, p. 80.

47 Ibid., p. 82.

48 Ibid., p. 106.

49 Ibid., p. 108.

50 Ibid., p. 107.

51 Ibid., p. 109.

52 ECJ 19 January 2010, Case C-555/07, Seda Kücükdeveci v Swedex GmbH & Co Rüdiger Helm, ECLI:EU:C:2010:21.

53 ECJ 22 November 2005, Case C-144/04, Werner Mangold v Rüdiger Helm, ECLI:EU:C:2005:709.

54 Muir, supra n. 1, p. 84.

55 Ibid., p. 87.

56 Ibid., p. 86 citing ECJ 8 September 2011, Opinion of AG Trstnjak, Maribel Dominguez v Centre informatique du Centre Ouest Atlantique and Préfet de la region Centre, ECLI:EU:C:2011:559, para. 157.

57 ECJ 15 January 2014, Case C-176/12, Association de mediation sociale v Union locale des syndicates CGT and Others, ECLI:EU:C:2014:2, see discussion in L.S. Rossi, ‘The Relationship between the EU Charter of Fundamental Rights and Directives in Horizontal Situations’, EU Law Analysis, 25 February 2019, http://eulawanalysis.blogspot.com/2019/02/the-relationship-between-eu-charter-of.html, visited 21 March 2023.

58 ECJ 17 April 2018, Case C-414/16, Vera Egenberger v Evangelisches Werk für Diakonie und Entwicklung e.V., ECLI:EU:C:2018:257.

59 ECJ 6 November 2018, Joined Cases C-569/16 and C-570/16, Stadt Wuppertal v Maria Elisabeth Bauer and Volker Wilmeroth in his capacity as owner of TWI Technische Wartung und Instandsetzung Volker Wilmeroth e.K. v Martina Broßon, ECLI:EU:C:2018:337.

60 Rossi, supra n. 57; V. Kosta and C. Tobler, ‘Horizontale unmittelbare Wirkung im EU-Recht: Von Defrenne II bis Bauer und Broßon’, in A. Epiney et al. (eds.), Schweizeriscches Jahrbuch für Europarecht 2018/2019 (Buch 2019).

61 E. Frantziou, ‘(Most of) the Charter of Fundamental Rights is Horizontally Applicable’, 15 EuConst (2019) p. 306 at p. 312 (emphasis added).

62 Rossi, supra n. 57.

63 Kosta and Tobler, supra n. 60.

64 OJ [2003] L299/9.

65 OJ [1993] L307/18.

66 Bauer and Broßon, supra n. 59, para. 56.

67 Ibid., para. 84.

68 Ibid., para. 85.

69 See V. Kosta, ‘Internal Market Legislation and the Private Law of the Member States – The Impact of Fundametnal Rights’, 6(4) European Review of Contract Law (2010) p. 409 at p. 431 ff.

70 Muir, supra n. 1, p. 88.

71 Ibid.

72 ECJ 17 May 1990, Case C-262/88, Douglas Harvey Barber v Guardian Royal Exchange Assurance Group, ECLI:EU:C:1990:209.

73 ECJ 17 October 1995, Case C-450/93, Eckhard Kalanke v Freie Hansestadt Bremen, ECLI:EU:C:1995:322.

74 ECJ 11 November 1997, Case C-409/59, Helmut Marschall v Land Nordrhein-Westfalen, ECLI:EU:C:1997:533.

75 ECJ 30 September 2004, Case C-319/03, Serge Briheche v Ministre de l’Intérieur, Ministre de l’Education nationale and Ministre de la Justice, ECLI:EU:C:2004:398.

76 Muir, supra n. 1, p. 89.

77 Ibid., p. 91.

78 Ibid.

79 See more generally O. Larsson, ‘Political and Constitutional Overrides: The Case of the Court of Justice of the European Union’, 28 Journal of European Public Policy (2020) p. 1931.

80 Muir, supra n. 1, p. 95.

81 OJ L 39/40.

82 Muir, supra n. 1, p. 93.

83 Ibid., p. 95.

84 Ibid., p. 94.

85 Ibid., p. 95.

86 Ibid., p. 95.

87 Ibid., p. 95.

88 Ibid., p. 89.

89 ECJ 1 March 2011, Case C-236/09, Association Belge des Consommateurs Test-Achats ASBL and others v Conseil des ministers, ECLI:EU:C:2011:100.

90 Muir, supra n. 1, p. 97.

91 OJ [2004] L 373/37.

92 Muir, supra n. 1, p. 96.

93 See title of this section of the book, at p. 96.

94 Muir, supra n. 1, p. 97-98 with reference to G. Davies, ‘Legislative Control of the European Court of Justice, 51 CMLRev (2014) p. 1579 at p. 1596.

95 K. Lenaerts, ‘The European Court of Justice and Process-Oriented Review’, College of Europe – Department of European Legal Studies, Research paper in Law, 1/2012, available at http://aei.pitt.edu/39282/1/researchpaper_1_2012_lenaerts_final.pdf, visited 21 March 2023.

96 Lenaerts, ibid., at p. 2.

97 C. Tobler, commenting on Case C-236/09 Test Achats in (2011) 48 CMLRev. 2041 and Lenaerts, above n. 95.

98 ECJ 17 February 1998, Case C-249/96, Lisa Jaccqueline Grant v South-West Trains Ltd, ECLI:EU:C:1998:63.

99 Muir, supra n. 1, p. 104.

100 ECJ 19 September 2013, Case C-140/12, Pensionsversicherungsanstalt v Peter Brey, ECLI:EU:C:2013:565.

101 ECJ 11 November 2014, Case C-333/13, Elisabeta Dano and Florin Dano v Jobcenter Leipzig, ECLI:EU:C:2014:2358.

102 ECJ 12 May 1998, Case C-85/96, María Martínez Sala v Freistaat Bayern, ECLI:EU:C:1998:217.

103 E.g. Carter and Jesse see ECJ 18 November 2008, Case C-158/07, Förster, ECLI:EU:C:2008:630 and more importantly ECJ 21 December 2011, Case C-424/10, Tomasz Ziółkowski, ECLI:EU:C:2011:866 as the turning point: D. Carter and M. Jesse, ‘The Dano Evolution: Assessing Legal Integration and Access to Social Benefits for EU Citizens’, 3(3) European Papers (2018) p. 1179.

104 Muir, supra n. 1, p. 104.

105 Ibid.

106 Ibid.

107 Ibid.

108 Ibid.

109 Ibid.

110 Ibid., p. 105.

111 Ibid.

112 Ibid., p. 106.

113 Ibid., p. 110.

114 Ibid., p. 110.

115 Ibid., p. 117.

116 Ibid., p. 116.

117 Ibid., p. 112.

118 ECJ 26 March 2015, Case C-316/03, Gérard Fenoll v Centre d’aide par el travail ‘La Jouvene’ and Association de parents et d’amis de personnes handicapées mentales (APEI) d’Avignon, ECLI:EU:C:2015:200.

119 Muir, supra n. 1, p. 118.

120 Ibid., p. 118.

121 Ibid.

122 Ibid., p. 116.

123 Ibid., p. 111.

124 Ibid.

125 OJ [2016] L119/1.

126 Muir, supra n. 1, p. 139, discussing O. Lynskey, The Foundations of EU Data Protection Law (Oxford University Press 2015).

127 Directive 95/46/EC OJ [1995] L 281/30.

128 Muir, supra n. 1, p. 140 with reference to Lynskey, supra n. 126, p. 269 and N. Putrova, ‘Default Entitlements in Personal Data in the Proposed Regulation: Informational Self-determination off the Table … and Back on Again’, 30 CLSR (2014) p. 6 at p. 11.