(755 ILCS 45/4-6) (from Ch. 110 1/2, par. 804-6)
    Sec. 4-6. Revocation and amendment of health care agencies.
    (a) Every health care agency may be revoked by the principal at any time, without regard to the principal's mental or physical condition, by any of the following methods:
    1. By being obliterated, burnt, torn or otherwise destroyed or defaced in a manner indicating intention to revoke;
    2. By a written revocation of the agency signed and dated by the principal or person acting at the direction of the principal; or
    3. By an oral or any other expression of the intent to revoke the agency in the presence of a witness 18 years of age or older who signs and dates a writing confirming that such expression of intent was made.
    (b) Every health care agency may be amended at any time by a written amendment signed and dated by the principal or person acting at the direction of the principal.
    (c) Any person, other than the agent, to whom a revocation or amendment is communicated or delivered shall make all reasonable efforts to inform the agent of that fact as promptly as possible.
(Source: P.A. 85-701.)