AGREEMENT OF MUTUAL ASSISTANCE BETWEEN THE UNITED KINGDOM AND POLAND

The Government of the United Kingdom of Great Britain and Northern Ireland and the Polish Government:

Desiring to place on a permanent basis the collaboration between their respective countries resulting from the assurance of mutual assistance of a defensive character which they have already exchanged;

Have resolved to conclude an Agreement for that purpose and have appointed as their Plenipotentiaries:

The Government of the United Kingdom of Great Britain and Northern Ireland:

The Rt. Hon. Viscount Halifax, K.G., G.C.S.I., Principal Secretary of State for Foreign Affairs:

The Polish Government:

His Excellency Count Edward Raczyński, Ambassador Extraordinary and Plenipotentiary of the Polish Republic in London:

Who, having exchanged their Full Powers, found in good and due form, have agreed on the following provisions:

Article I

Should one of the Contracting Parties become engaged in hostilities with a European Power in consequence of aggression by the latter against that Contracting Party, the other Contracting Party will at once give the Contracting Party engaged in hostilities all the support and assistance in its power.

Article 2

(1) The provisions of Article I will also apply in the event of any action by a European Power which clearly threatened, directly or indirectly, the independence of one of the Contracting Parties, and was of such a nature that the Party in question considered it vital to resist it with its armed forces.