New Jersey Statutes Title 26. Health and Vital Statistics 26 § 2H-105

(1) The advance directive shall be signed and dated by, or at the direction of, the declarant in the presence of at least one subscribing adult witness, who shall attest that the declarant is of sound mind and free of duress and undue influence.

(2) The advance directive may be supplemented by a video or audio tape recording.

(1) a designated mental health care representative; and

(2) the responsible mental health care professional responsible for, or directly involved with, the patient's care at the time that the advance directive is executed.

(1) related to the declarant by blood, marriage or adoption, or is the declarant's domestic partner or otherwise shares the same home with the declarant;

(2) entitled to any part of the declarant's estate by will or by operation of law at the time that the advance directive is executed; or

(3) an operator, administrator or employee of a rooming or boarding house or a residential health care facility in which the declarant resides.