Category:Treaties extended to the Union of South Africa

Cape Colony
Colony of Natal
Orange River Colony
Transvaal Colony
South Africa Republic of South Africa

Treaties extended by the United Kingdom to the South Africa Union of South Africa (1910–31). The United Kingdom formally lost the power to extend treaties to South Africa in 1931 with the enactment of the Statute of Westminster. Unless denounced, treaties extended to the Union of South Africa remain in force for South Africa.