CountryActionAction DateEffective Date
British African ProtectoratesExtension29/08/1910
CameroonsExtension13/02/1928
Malay States, UnfederatedExtension19/11/1934
NauruExtension13/02/1928
New GuineaExtension13/02/1928
Palestine, Mandated Territories (exc. Trans-Jordan)Extension13/02/1928
South West AfricaExtension13/02/1928
SPAINSignature19/02/1889
TanganyikaExtension13/02/1928
TogolandExtension13/02/1928
TransjordanExtension23/02/1932
UNITED KINGDOMSignature19/02/1889
Western Samoa (UK)Extension13/02/1928