Sec. 3. As used in this chapter, "declarant" means a person:
(1) who has executed an out of hospital DNR declaration under section 11(a) of this chapter;
(2) for whom a representative has executed an out of hospital DNR declaration under section 11(b) of this chapter; or
(3) for whom a proxy has executed an out of hospital DNR declaration under section 11(c) of this chapter;
and for whom an out of hospital DNR order has been written under section 12 of this chapter.