Social Security Agreement between Portugal and Sao Tome and Principe in Force

Portugal published Notice No. 56/2026/1 in the Official Gazette on 20 May 2026, announcing the entry into force of the social security agreement with Sao Tome and Principe on 1 April 2026. The agreement, signed 17 February 2004, is the first of its kind between the two countries and generally applies from the date of its entry into force.