A. Any directive to a physician executed pursuant to the former Oklahoma Natural Death Act, 63 O.S. 1991, Section 3101 et seq., which was executed prior to September 1, 1992, shall be enforceable according to its terms until revoked and shall have the same force and effect as if made pursuant to this act.¹ Such directive shall be binding on the attending physician whether or not the person who executed the directive was in a terminal condition at the time of execution unless there is evidence that the person executing the directive intended that it should be binding only if executed or re-executed after the person became afflicted with a terminal condition as defined by the former Oklahoma Natural Death Act.

B. Any advance directive executed prior to the enactment of any amendment to the Oklahoma Advance Directive Act which substantially complied with the law in effect at the time of the execution of the directive shall be enforceable according to its terms until revoked and shall have the same force and effect as if made pursuant to this act, as amended.