On 28 August 1952 the then NATO member states signed the Paris Protocol in Paris. Its official title is "On the Status of International Military Headquarters Set up Pursuant to the North Atlantic Treaty" and it establishes the status of allied and national headquarters and respective procedures. The Protocol is part of the so-called NATO legal acquis. All NATO member states have ratified the protocol, except Canada, which signed but did not ratify it. France ratified the protocol in 1955 but denounced its ratification in 1966. See also Headquarter Protocol External links Text of the treaty Treaty ratifications. NATO treaties Treaties concluded in 1952 Treaties entered into force in 1954 1952 in France Treaties of Albania Treaties of Belgium Treaties of Bulgaria Treaties of Croatia Treaties of the Czech Republic Treaties of Denmark Treaties of Estonia Treaties of West Germany Treaties of the Kingdom of Greece Treaties of Hungary Treaties of Iceland Treaties of Italy Treaties of Latvia Treaties of Lithuania Treaties of Luxembourg Treaties of the Netherlands Treaties of Norway Treaties of Poland Treaties of the Estado Novo (Portugal) Treaties of Romania Treaties of Slovakia Treaties of Slovenia Treaties of Spain Treaties of Turkey Treaties of the United Kingdom Treaties of the United States