(a) An individual may express his or her refusal to make an anatomical gift of his or her body or body parts by:

(1) A record signed by the individual. If the individual is physically unable to sign, another person acting at the direction of the individual may sign if the refusal:

(A) Is witnessed and signed by at least two adults, at least one of whom is a disinterested witness, at the request of the individual; and

(B) Contains a statement that it has been signed and witnessed as provided in paragraph (A) of this subdivision;

(2) The individual's will, regardless of whether the will is admitted to probate or invalidated after the individual's death; or

(3) During a terminal illness or injury of the individual, any form of communication made by the individual addressed to at least two adults, at least one of whom is a disinterested witness.

(b) An individual who has made a refusal may amend or revoke the refusal:

(1) In the manner provided in subsection (a) of this section for making a refusal;

(2) By subsequently making an anatomical gift pursuant to section five of this article that is inconsistent with the refusal; or

(3) By destroying or canceling the record evidencing the refusal, or the portion of the record used to make the refusal, with the intent to revoke the refusal.

(c) Except as otherwise provided in section eight of this article, in the absence of an express, contrary indication set forth in the refusal, an individual's unrevoked refusal to make an anatomical gift of his or her body or part bars all other persons from making an anatomical gift of the individual's body or part.