5. A family is composed of(1) an adult and the children who are his dependants;
(2) the spouses and the children who are their dependants or the dependants of either of them;
(3) the spouses, where there are no dependent children.
Notwithstanding the first paragraph, a person shall continue to be, shall cease to be or shall become a member of a family in such circumstances as are prescribed by regulation, and an adult who is not eligible for benefits under the last resort assistance programs pursuant to any of paragraphs 1, 3 and 5 of section 7 is deemed, for the purposes of such programs, not to be a member of a family.