Sec. 21. (a) If a declarant is incapacitated or incompetent at the time of the decision to withhold or withdraw CPR, an out of hospital DNR declaration and order executed under this chapter is presumed to be valid.
(b) For purposes of this chapter, a health care provider may presume in the absence of actual notice to the contrary that the declarant was of sound mind when the out of hospital DNR declaration and order was executed.
(c) The fact that a declarant executed an out of hospital declaration may not be considered as an indication of the declarant's mental incapacity or incompetence.