Section 162 Treatment of certain marriages

for a voidable marriage which has been annulled, whether before or after the date when the regulations come into force, to be treated for the purposes of such provisions of, or of any regulations under, this Act, subject to such exceptions or conditions as may be prescribed, as if it had been a valid marriage which was terminated by divorce at the date of annulment;

as to the circumstances in which, for the purposes of this Act—

is to be treated as having, or not having, the consequences of a marriage celebrated under a law which does not permit polygamy;