(1) A person shall not engage in the business of inspecting motor vehicles under this part except as authorized by a license to operate a testing station issued by the department pursuant to part 13.

  (2) A person shall not be licensed to operate a testing station unless the person has an established place of business where inspections are to be performed during regular business hours, where records required by this part and the rules promulgated under this part are to be maintained, and that is equipped with an instrument or instruments of a type that comply with and are capable of performing inspections of motor vehicles under this part.

  (3) A person licensed as a testing station shall perform inspections under this part at the established place of business for which the person is licensed. A person shall inform the department immediately of a change in the address of an established place of business at which the person is licensed as a testing station.

  (4) A person shall obtain a separate license and pay a separate fee for each established place of business at which a testing station is to be operated.

  (5) A testing station may establish and operate mobile or temporary testing station locations if they meet all of the following conditions:

  (a) The instrument used at the mobile or temporary location is capable of meeting the performance specifications for instruments set forth in rules promulgated under this part while operating in the mobile or temporary station environment.

  (b) The owner of a motor vehicle inspected at the mobile or temporary location shall be provided with a free reinspection of the motor vehicle, at the established place of business of the testing station or at any mobile or temporary testing station location operated by the testing station.

  (c) Personnel at the licensed established place of business location shall, at all times, know the location and hours of operation of the mobile or temporary testing station or stations.

  (d) The records required by this part and the rules promulgated under this part relating to inspections performed and the instrument or instruments used at a mobile or temporary testing station shall be maintained at a single established place of business that is licensed as a testing station.

  (e) The documents printed as required by the rules promulgated under this part by an instrument used at a mobile or temporary testing station location shall contain the testing station number and the name, address, and telephone number of the testing station’s established place of business.

  (6) A testing station may use remote sensing devices as a complement to testing otherwise required by this part.

  (7) A testing station shall not cause or permit an inspection of a motor vehicle to be performed by a person other than an emission inspector using an instrument of a type that complies with the rules promulgated under this part.

  (8) A testing station shall display a valid testing station license issued by the department in a place and manner conspicuous to its customers.