‘Sec. 1. 18-A MRSA §5-805, sub-§(b), as amended by PL 1999, c. 411, §3, is further amended to read:
(b). Any member of the following classes of the patient's family who is reasonably available, in descending order of priority, may act as surrogate:
(1). The spouse, unless legally separated;
(1-A). An adult who shares an emotional, physical and financial relationship with the patient similar to that of a spouse;
(2). An adult child;
(3). A parent;
(3-A). An adult who shares an emotional, physical and financial relationship with the patient similar to that of a spouse;
(4). An adult brother or sister;
(5). An adult grandchild;
(6). An adult niece or nephew, related by blood or adoption;
(7). An adult aunt or uncle, related by blood or adoption; or
(8). Another adult relative of the patient, related by blood or adoption, who is familiar with the patient's personal values and is reasonably available for consultation.’