Births, Deaths and Marriages Registration Act 1995 No 62
31 Entries to be made in the Register
(1) The Registrar registers a change of name by making an entry about the change of name in the Register including the particulars required by the regulations.(2) If the applicant for registration of the change of name asks the Registrar to arrange for noting the change of name in the particulars of the person’s birth, and the person’s birth is registered under this Act or a corresponding law, the Registrar must:(a) if the birth is registered under this Act—note the change of name in the entry relating to the birth, or(b) if the birth is registered under a corresponding law—give notice to the relevant registering authority of the change of name.(3) If the change of name is noted in the Register under subsection (2), a birth certificate issued by the Registrar for the person must show the person’s name as changed under this Part.