(A) Subject to section 2108.08 of the Revised Code, an anatomical gift made under section 2108.04 of the Revised Code may be amended by any of the following means:

1. (1) By a record signed by the donor or other person authorized to make an anatomical gift under section 2108.04 of the Revised Code;
2. (2) Subject to division (C) of this section, by a record signed by another individual acting at the direction of the donor or other person authorized to make an anatomical gift under section 2108.04 of the Revised Code if the donor or other person is physically unable to sign;
3. (3) By a later-executed document of gift that amends a previous anatomical gift or portion of an anatomical gift, either expressly or by inconsistency;
4. (4) By any form of communication during a terminal illness or injury addressed to at least two adults;
5. (5) By a parent who is reasonably available, if the donor is an unemancipated minor who has died;
6. (6) If made in a will, by the manner provided for amendment of wills or by any of the applicable means described in divisions (B)(1) to (5) of this section.

(B) Subject to section 2108.08 of the Revised Code, an anatomical gift made under section 2108.04 of the Revised Code may be revoked by any of the following means:

1. (1) By a record signed by the donor or other person authorized to make an anatomical gift under section 2108.04 of the Revised Code;
2. (2) Subject to division (C) of this section, by a record signed by another individual acting at the direction of the donor or other person authorized to make an anatomical gift under section 2108.04 of the Revised Code if the donor or other person is physically unable to sign;
3. (3) By a later-executed document of gift that revokes a previous anatomical gift or portion of an anatomical gift, either expressly or by inconsistency;
4. (4) By any form of communication during a terminal illness or injury addressed to at least two adults;
5. (5) By a parent who is reasonably available, if the donor is an unemancipated minor who has died;
6. (6) By the destruction or cancellation of the document of gift, or the portion of the document of gift, used to make the gift, with the intent to revoke the gift;
7. (7) If made in a will, by the manner provided for revocation of wills or by any of the applicable means described in divisions (B)(1) to (6) of this section.

(C) A record signed pursuant to division (A)(2) or (B)(2) of this section shall do both of the following:

1. (1) Be witnessed by a minimum of two adults who have signed at the request of the donor or other person;
2. (2) State that it has been signed and witnessed as provided in division (C)(1) of this section.