Section 732.504 - Who may witness(1) Any person competent to be a witness may act as a witness to a will.(2) A will or codicil, or any part of either, is not invalid because the will or codicil is signed by an interested witness.s. 1, ch. 74-106; s. 22, ch. 75-220; s. 1, ch. 77-174; s. 268, ch. 79-400.