The Agreement between Great Britain and Portugal Relating to the Suppression of the Capitulations in Egypt (1920) was an agreement concluded between the British and Portuguese governments in Lisbon on 9 December 1920, in order to regulate legal relations between Portuguese citizens and the court system in Egypt. Ratifications were exchanged in Lisbon on 29 September 1921 and the agreement went into effect. It was registered in the League of Nations Treaty Series on 12 December 1921.