Wash. Rev. Code § 68.64.040
(1) A donor may make an anatomical gift:
(2) A donor or other person authorized to make an anatomical gift under RCW 68.64.030 may make a gift by a donor card or other record signed by the donor or other person making the gift or by authorizing that a statement or symbol indicating that the donor has made an anatomical gift be included on a donor registry. If the donor or other person is physically unable to sign a record, the record may be signed by another individual at the direction of the donor or other person and must:
[ 2008 c 139 s 5.]