New South Wales Consolidated Acts(cf Act No 7, 1912, s 33)
The following conditions apply in respect of land subject to any mortgage
under this Division:
(a) the land, and any part of the land, must not be transferred, assigned, or let without the previous consent in writing of the Corporation,
(b) any transfer, assignment, or letting of the land, or any part of the land, in contravention of this section, is void, and the Corporation may cause the estate of the owner in the land to be sold,
(c) if the owner of the land becomes bankrupt, the Corporation may cause the owner’s estate in the land to be sold.