Pub. L. 104–106, div. A, title VII, § 749(b), Feb. 10, 1996, 110 Stat. 389, provided that: “Section 1044c of title 10, United States Code, shall take effect on the date of the enactment of this Act [Feb. 10, 1996] and shall apply to advance medical directives referred to in that section that are executed before, on, or after that date.”