A reference to a
matrimonial instrument is to any of the following instruments to the extent
that it deals with matrimonial property —
(a) a
maintenance agreement registered under the Family Law Act section 86 or
approved under the Family Law Act section 87;
(b) a
financial agreement made under the Family Law Act section 90B, 90C or
90D;
(c) a
splitting agreement;
(d) an
order of a court under the Family Law Act.