The Public Guardian may make guidelines for this Act in relation to the following:
(a) how to apply and interpret section 13 , including determining the appropriate health care decision maker when more than one person may be the appropriate health care decision maker;
(b) satisfying the duty of a health care provider under section 23 ;
(c) determining capacity under section 24 ;
(d) administering routine health care under section 25 ;
(e) making health care decisions generally under this Act.