Section 15-2-505 - WHO MAY WITNESS(a) Any person eighteen (18) or more years of age generally competent to be a witness may act as a witness to a will.(b) A will or any provision thereof is not invalid because the will is signed by an interested witness.[I.C., sec. 15-2-505, as added by 1971, ch. 111, sec. 1, p. 233; am. 1971, ch. 126, sec. 1, p. 487.]