Mich. Comp. Laws § 290.649g: Records.

Sec. 9g.

(1) An operator shall maintain accurate records of all of the following at the dispensing facility location:

(a) All current licenses and permits required to operate the dispensing facility.

(b) The location, including the contact person's name, address, and telephone number, of the records required under this act which are not maintained at the dispensing facility location.

(2) An operator shall maintain accurate stage I vapor-recovery or gasoline-dispensing equipment maintenance records on forms approved by the department for 3 years.

(3) The records required by subsection (2) shall be maintained for 1 year at the dispensing facility location. After this time these records may be maintained at another business location.

(4) Records required under this act and maintained at the dispensing facility location shall be made available to the director upon request during normal business hours. If records required under this section are not maintained at the dispensing facility location, the records shall be provided to the director within 72 hours of a request.