1. A declaration executed in another state in compliance with the law of that state or of this State is valid for purposes of NRS 449A.400 to 449A.481, inclusive.
2. An instrument executed anywhere before July 1, 1977, which clearly expresses the intent of the declarant to direct the withholding or withdrawal of life-sustaining treatment from the declarant when the declarant is in a terminal condition and becomes comatose or is otherwise rendered incapable of communicating with his or her attending physician or attending advanced practice registered nurse, if executed in a manner which attests voluntary execution, or executed anywhere before October 1, 1991, which substantially complies with NRS 449A.433, and has not been subsequently revoked, is effective under NRS 449A.400 to 449A.481, inclusive.
3. As used in this section, "state" includes the District of Columbia, the Commonwealth of Puerto Rico, and a territory or insular possession subject to the jurisdiction of the United States.
(Added to NRS by 1977, 761; A 1991, 637; 2017, 1761) — (Substituted in revision for NRS 449.690)