This Part does not affect the power of a security holder under a financial arrangement to which this Part applies to enforce the holder's rights against the member or dependant if:
(a) the security holder was, or is, in possession of the security at the start day of the member's defence service; or
(b) if the security is land--the security holder has appointed or appoints a receiver who, at the start day of the member's defence service, was, or is:
(i) in possession of the land; or
(ii) receiving the rents and profits of the land.