Births, Deaths and Marriages Registration Act 1995 No 62
55A Registrar may collect and maintain other information
(1) The Registrar may collect and maintain records of information, other than registrable information, relating to registrable events.(2) Records maintained under this section must be kept separately from the Register.(3) The Registrar may include information in the records maintained under this section at the request of a person interested in the registrable event to which the information relates or on the Registrar’s own initiative.(4) Sections 46 (3) and 48 apply to any records maintained under this section as if they were part of the Register.