IC 16-36-5-2: "Competent witness"

Sec. 2. As used in this chapter, "competent witness" means a person at least eighteen (18) years of age who is not:

(1) the person who signed an out of hospital DNR declaration on behalf of and at the direction of the declarant;

(2) a parent, spouse, or child of the declarant;

(3) entitled to any part of the declarant's estate; or

(4) directly financially responsible for the declarant's medical care.

For purposes of subdivision (3), a person is not considered to be entitled to any part of the declarant's estate solely by virtue of being nominated as a personal representative or as the attorney for the estate in the declarant's will.