Geo. 5, c. 92) extends the 1914 act into peacetime and is renewed every year until 1971.

1921 A‘Canadian national’ is defined by the Canadian Nationality Act (11 & 12 Geo. 5, c. 4) as any British subject who is a ‘Canadian citizen’ within the meaning of the Immigration Act of 1910. The Anglo-Irish treaty is signed and the Irish Free State becomes a Dominion.