Where consistent with the nature of each right in § 1121 of this title, all rights, particularly as they pertain to a resident adjudicated incompetent in accordance with state law, or a resident who is found medically incapable by the resident's own attending physician, or a resident who is unable to communicate with others, shall devolve to the resident's authorized representative, as established under any of the following:
(1) An advance health-care directive.
(2) A medical durable power of attorney for health-care decisions.
(3) A court-appointed guardian pursuant to Chapters 39 and 39A of Title 12, in accordance with the authority granted by the appointing court.
(4) A surrogate appointed under Chapter 25 of this title.
(5) An individual who is otherwise authorized under applicable law to make the health-care decisions being made by execution of the DMOST form on the patient's behalf under Chapter 25A of this title.
(6) A sponsoring agency or representative payee, except where the facility itself is the representative payee, selected under § 205(j) of the Social Security Act (42 U.S.C. § 405(j)).