Michigan Compiled Laws, Chapter 480. Motor Carrier Safety § 480.16

Sec. 6. (1) Motor carriers shall submit, upon demand, all their transportation safety related documents, such as all records and information pertaining to any accident, drivers' records of duty status, bills of lading, shipping records, driver time and payroll records, driver qualification records, vehicle maintenance records, and equipment for inspection or copying during regular business hours to any enforcement member of the motor carrier division displaying a valid Michigan department of state police, motor carrier division identification card.

(2) Hazardous materials vehicle inspection and repair facilities shall submit, upon demand, all their transportation safety related documents as required by this act, such as hazardous materials tank certification and repair documents, and annual inspection certification documents to any enforcement member of the motor carrier division displaying a valid Michigan department of state police motor carrier division identification card.

(3) A motor carrier or a hazardous material vehicle inspection or repair facility operating within this state with main offices in another state or province shall submit all transportation safety related documents as outlined in subsection (1) for inspection and copying within 10 working days after receiving formal notification requesting the documents.

(4) An enforcement member of the motor carrier division of the department of state police displaying valid identification may, without a warrant, require the cargo carrying portion of a vehicle to be opened for inspection of the cargo, any object within that portion of the vehicle, or the interior of the vehicle or any compartment within the interior of the vehicle.If a commercial motor vehicle is inspected by breaking the load seal, then the enforcement member shall give to the driver a signed receipt of inspection and the enforcement member shall be responsible for applying a state of Michigan seal.