27A.—For the purposes of section 1(1)(d) of the Statutory Declarations Act 1938, a registrar may, during the period of 14 days immediately following the date on which the birth of a child is registered or re-registered, take and receive a statutory declaration made under section 2(4)(e) or 6B(4)(c) of the Guardianship of Infants Act 1964 in respect of the child.]