Section 35-22-404 - Revocation of advance health care directive(a) An individual with capacity may revoke the designation of an agent only by a signed writing. (b) An individual with capacity may revoke all or part of an advance health care directive, other than the designation of an agent, at any time and in any manner that communicates an intention to revoke. Any oral revocation shall, as soon as possible after the revocation, be documented in a writing signed and dated by the individual or a witness to the revocation. (c) A health care provider, agent, guardian or surrogate who is informed of a revocation shall promptly communicate the fact of the revocation to the primary health care provider and to any health care institution at which the patient is receiving care. (d) A decree of annulment, divorce, dissolution of marriage or legal separation revokes a previous designation of a spouse as agent unless otherwise specified in the decree or in a power of attorney for health care. (e) An advance health care directive that conflicts with an earlier advance health care directive revokes the earlier directive to the extent of the conflict.