40Citizenship
(1)Where an adoption order is made in relation to a child who is not a citizen of the United Kingdom and Colonies, but the adopter or, in the case of a joint adoption, the adoptive father is a citizen of the United Kingdom and Colonies, the child shall be a citizen of the United Kingdom and Colonies as from the date of the adoption.
(2)In subsection (1) the reference to an adoption order includes a reference to an order authorising the adoption of a child in England or Wales, Northern Ireland, the Isle of Man or in any of the Channel Islands.
(3)Where a Convention adoption order, or a specified order ceases to have effect, either on annulment or otherwise, the cesser shall not affect the status as a citizen of the United Kingdom and Colonies of any person who, by virtue of this section or section 19 of the [1958 c. 5. (7 & 8 Eliz. 2.).] Adoption Act 1958, became such a citizen in consequence of the order.