Subject to RCW 68.64.070, an anatomical gift of a donor's body or part may be made during the life of the donor in the manner provided in RCW 68.64.040 by:

(1) The donor, if the donor is an adult or if the donor is a minor and is:

(a) Emancipated; or

(b) Authorized under state law to apply for a driver's license because the donor is at least fifteen and one-half years old;

(2) An agent of the donor, unless the power of attorney for health care or other record prohibits the agent from making an anatomical gift;

(3) A parent of the donor, if the donor is an unemancipated minor; provided, however, that an anatomical gift made pursuant to this subsection shall cease to be valid once the donor becomes either an emancipated minor or an adult; or

(4) The donor's guardian.