(a) Any person eighteen years of age or older may appoint a health care representative by executing a document in accordance with § 19a-575a or § 19a-577, signed and dated by such person in the presence of two adult witnesses who shall also sign the document. The person appointed as representative shall not act as witness to the execution of such document or sign such document.

(b) For persons who reside in facilities operated or licensed by the Department of Mental Health and Addiction Services, at least one witness shall be an individual who is not affiliated with the facility and at least one witness shall be a physician, advanced practice registered nurse or licensed clinical psychologist with specialized training in treating mental illness.

(c) For persons who reside in facilities operated or licensed by the Department of Developmental Services, at least one witness shall be an individual who is not affiliated with the facility and at least one witness shall be a physician, advanced practice registered nurse or licensed clinical psychologist with specialized training in developmental disabilities.

(d) An operator, administrator or employee of a hospital, residential care home, rest home with nursing supervision or chronic and convalescent nursing home may not be appointed as a health care representative by any person who, at the time of the appointment, is a patient or a resident of, or has applied for admission to, one of the foregoing facilities. An administrator or employee of a government agency that is financially responsible for a person’s medical care may not be appointed as a health care representative for such person. This restriction shall not apply if such operator, administrator or employee is related to the principal by blood, marriage or adoption.

(e) A physician or advanced practice registered nurse shall not act as both health care representative for a principal and attending physician or advanced practice registered nurse for the principal.