(1) In section 20A(a) of the Principal Act—
(a) for "a man and a woman"
substitute
"2 persons";
(b) for "the man and woman"
substitute
"the persons".
(2) In section 20A(b) of the Principal Act—
(a) for "his or her spouse or de facto spouse" (where first and secondly occurring) substitute "that person's spouse or domestic partner";
(b) for "his or her spouse or de facto spouse" (where thirdly occurring) substitute "the person's spouse or domestic partner".