9(1)A decision expressed in a health care directive is as effective as if made by the maker when the maker had the capacity to make the decision.

9(2)A decision made by a proxy on behalf of a maker in accordance with a health care directive and this Act is as effective as if made by the maker when the maker had the capacity to make the decision.

9(3)For the purposes of subsection (2), a proxy must be mentally competent and at least 19 years old.

9(4)Despite subsection (3), the spouse of a maker who is appointed as a proxy may make a decision under this Act regardless of age.