Section 449A.466 - Assumption of validity of declaration; presumption of intent to use, withhold or withdraw life-sustaining treatment not created1. Unless he or she has knowledge to the contrary, a physician or other provider of health care may assume that a declaration complies with NRS 449A.400 to 449A.481, inclusive, and is valid.2.NRS 449A.400 to 449A.481, inclusive, create no presumption concerning the intention of a person who has revoked or has not executed a declaration with respect to the use, withholding or withdrawal of life-sustaining treatment in the event of a terminal condition.Added to NRS by 1991, 632(Added to NRS by 1991, Ch. 258, § 12) - (Substituted in revision for NRS 449.645 )