Michigan Compiled Laws, Chapter 24. Printing and State Documents § 24.227

Sec. 27. (1) A guideline adopted after the effective date of this section is not valid unless processed in substantial compliance with sections 24, 25, and 26.  1 However, inadvertent failure to give notice to any person as required by section 24 does not invalidate a guideline which was otherwise processed in substantial compliance with sections 24, 25, and 26.

(2) A proceeding to contest a guideline on the grounds of noncompliance with sections 24, 25, and 26 shall be commenced within 2 years after the effective date of the guideline.