Mich. Comp. Laws § 286.855

Sec. 15. (1) Before implementing an alteration to a site listed in a grower's registration, the grower shall submit a site modification request form, as prescribed by the department, and the required fee, as provided in section 16, based on the number of requested alterations and obtain written approval from the department. (2) The department shall not approve a site modification request under this section unless the grower has paid the site modification fee in full.