Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.11721

(a) The portable toilets are used to comply with requirements listed in the publication under subsection (2).

(b) The management, pumping, and temporary storage of the domestic septage from the portable toilets by the farm operation does not result in a release of domestic septage into the environment.

(c) The portable toilets and associated septage management equipment are securely fastened to a vehicle or trailer in a manner that prevents a release while being moved by the farm operation on or across a public street, road, or highway.

(d) The farm operation does not move portable toilets that contain domestic septage on or across a limited access highway as defined in section 26 of the Michigan vehicle code, 1949 PA 300, MCL 257.26.

(e) The farm operation does not store domestic septage for more than 60 days or in a tank larger than 3,000 gallons.

(f) The farm operation utilizes the services of a person with a septage waste servicing license and septage waste vehicle license to dispose of the domestic septage from the portable toilets in a receiving facility.

(g) The farm operation does not move domestic septage on or across a public street, road, or highway in a tank larger than 450 gallons.

(a) A list of field sanitation, worker protection, and food safety requirements applicable to the exemption provided for in this section.

(b) A guide to recommend spill preparedness, spill mitigation, and spill response programs applicable to the exemption provided for in this section.