Geographical Names Act 1966 No 13
7A Certain names taken to be recorded names
(1) The board may resolve to regard a name of a place as the recorded name of the place if the name appears in the same way on or in more than one map or other publication, or database, published or maintained:(a) by a government agency, or(b) by any other body, if:(i) the publication or database has been publicly available for a minimum of three years, and(ii) the board is of the opinion that the publication or database is of a reliable cartographic and geospatial standard.(2) A name cannot be the subject of a resolution under this section if the board is aware that the name appears differently on or in two or more publications or databases referred to in subsection (1), even if the name appears in the same way on or in more than one such publication or database.(3) A name the subject of a resolution under this section is taken to be a recorded name for the purposes of this Act.