Relationship of international law and municipal law — Treaties — International Labour Organization Conventions Nos 87 and 98 — Constitution of Nigeria, Section 12(1) — Whether ILO Conventions incorporated into Nigerian law — Whether ILO Conventions having force of law in Nigeria — African Charter on Human and Peoples’ Rights (Ratification and Enforcement) Act 1990, Article 10 — Whether provisions in other Nigerian laws relevant — Interpretation of Section 12(1) of Constitution

Human rights — Right to peaceful assembly and association — International Labour Organization Conventions Nos 87 and 98 — Relevance — Constitution of Nigeria, Section 40 — Trade Unions Act 1990, Section 3(2) — Refusal to register National Association of Community Health Practitioners of Nigeria as trade union — Whether unconstitutional — The law of Nigeria