424. Citizenship of the United Kingdom and colonies; acquisition on or after 1 January 1949 under the Act's permanent provisions.

From 1949 to 1982 inclusive, citizenship was acquired as follows:

  1.  

    (1)     by birth in the United Kingdom and colonies, except by those whose father was entitled to diplomatic immunity and was not a citizen of the United Kingdom and colonies, and anyone whose father was an enemy alien1 and who was born in a place under enemy occupation2;

  2.  

    (2)     by adoption in the United Kingdom by a citizen (in the case of a joint adoption, a male citizen) of the United Kingdom and colonies3;

  3.  

    (3)     by descent4 from a father who was a citizen of the United Kingdom and