6. Section 7 of the Principal Act is amended—
(a) by omitting paragraphs (1) (a) and (b) and substituting the following paragraphs:
“(a) a spouse of the deceased;
(b) a domestic partner of the deceased;”;
(b) by omitting from paragraph (1) (e) “and”;
(c) by omitting from subsection (2) “person, being a former wife or former husband of a deceased person or a”;
(d) by omitting from subsection (2) “unless the person” and substituting “unless the stepchild”;
(e) by inserting in paragraph (4) (a) “or her” after “his”;
(f) by omitting from paragraph (4) (b) “his” and substituting “any”; and
(g) by inserting in subsection (7) “or her” after “his”.