Mich. Admin. Code R. 390.1818
Rule 18. In accordance with the provisions of section 63 of Act No. 306 of the Public Acts of 1969, as amended, being S24.263 of the Michigan Compiled Laws, an interested person may request a declaratory ruling as to the applicability of a statute administered by the trust or of a rule or order of the trust to an actual set of facts. Such a request shall be submitted to the trust in writing. The trust shall respond to the request in writing within 90 days after receipt of the written request. Before issuing a declaratory ruling or denying a requested ruling, the trust may ask the requesting party to clarify the request or provide additional information or 1 or more factual situations upon which to formulate a declaratory ruling. The time for the trust to respond to a requested ruling shall be suspended until the requesting party adequately responds to the trust's request for clarification or additional information.
Mich. Admin. Code R. 390.1818