Section R. 37.20 - Declaratory rulingRule 20.
(1) The commission, on petition of an interested person, may issue a declaratory ruling as to the applicability of a statute, regulation, or rule to an actual state of facts upon submission to the commission of each of the following: (a) A clear and concise statement of the facts.(b) A legal brief, memorandum, or other reference to legal authorities relied upon.(2) The commission, if it determines it shall issue a declaratory ruling, shall furnish the person with a statement to that effect and set forth the time in which the commission shall issue the ruling. The commission shall not issue a declaratory ruling after a complaint has been filed with the department.(3) A ruling shall contain the statement of facts upon which it is based and the legal authority on which the commission relies. A ruling, once issued, is binding on the commission and the commission may not retroactively change the ruling, but nothing in this rule shall prohibit the commission from prospectively changing a ruling.Mich. Admin. Code R. 37.20