Privacy and Personal Information Protection Act 1998 No 133
Current version for 1 March 2020 to date (accessed 7 June 2020 at 17:14)
Part 6 Section 57
57   Disclosure of personal information contained in public registers
(1)  The public sector agency responsible for keeping a public register must not disclose any personal information kept in the register unless the agency is satisfied that it is to be used for a purpose relating to the purpose of the register or the Act under which the register is kept.
(2)  In order to enable the responsible agency to comply with subsection (1), the agency may require any person who applies to inspect personal information contained in the public register to give particulars, in the form of a statutory declaration, as to the intended use of any information obtained from the inspection.