New South Wales Consolidated Acts(cf Act No 48, 1930, s 15)
(1) The Registrar-General may, upon the submission to him for registration of any instrument require such evidence as he deems necessary that the dealing sought to be given effect to by the instrument does not contravene any provision of Division 1 of Part 2 of this Act, or of any enactment by this Act repealed, and may refuse to register the instrument until such evidence is submitted to him.
(2) The Registrar-General may rely upon the register book under the Real Property Act 1900 , and shall not be bound to make any inquiry as to any interest not appearing therein unless the same is protected by a caveat.
(3) The Registrar-General shall not be bound to inquire into the genuineness of any consent that purports to be duly given in accordance with the provisions of any enactment repealed by this Act.