(1) The whole of this Part applies, notwithstanding any common law rule of private international law, in relation to:
(a) marriages to which Division 2 of Part IV applies; and
(b) marriages under Part V.
(2) Sections 11 and 12 and, so far as they have application in relation to those sections, sections 18 and 19 apply in relation to:
(a) marriages to which Division 3 of Part IV applies; and
(b) the marriage of a person domiciled in Australia, wherever that marriage takes place.