Section 155.40 - Revocation of power of attorney for health care(1) A principal may revoke his or her power of attorney for health care and invalidate the power of attorney for health care instrument at any time by doing any of the following: (a) Canceling, defacing, obliterating, burning, tearing or otherwise destroying the power of attorney for health care instrument or directing another in the presence of the principal to so destroy the power of attorney for health care instrument.(b) Executing a statement, in writing, that is signed and dated by the principal, expressing the principal's intent to revoke the power of attorney for health care.(c) Verbally expressing the principal's intent to revoke the power of attorney for health care, in the presence of 2 witnesses.(d) Executing a subsequent power of attorney for health care instrument.(2) If the health care agent is the principal's spouse or domestic partner under ch. 770 and, subsequent to the execution of a power of attorney for health care instrument, the marriage is annulled or divorce from the spouse is obtained or the domestic partnership under ch. 770 is terminated, the power of attorney for health care is revoked and the power of attorney for health care instrument is invalid.(2m) If a principal, after executing a power of attorney for health care, is adjudicated incompetent in this state, the power of attorney for health care remains in effect, except that a court may under s. 54.46(2) (b), for good cause shown, revoke the power of attorney for health care and invalidate the power of attorney for health care instrument, or limit the authority of the agent under the terms of the power of attorney for health care instrument.(3) If an individual knows that the power of attorney for health care that named him or her as health care agent has been revoked, he or she shall communicate this fact to any health care provider for the principal that he or she knows has a copy of the power of attorney for health care instrument.(4) The principal's health care provider shall, upon notification of revocation of the principal's power of attorney for health care instrument, record in the principal's medical record the time, date and place of the revocation and the time, date and place, if different, of the notification to the health care provider of the revocation.1989 a. 200; 2005 a. 387; 2009 a. 28.