(1) An auto transportation company may enter into an agreement to allow another certificated auto transportation company to operate in the first company's territory or over its route(s) when the first company holds exclusive authority in the territory or over the route(s) to be served.

(2) The commission must approve the agreement before any service is provided. To apply for commission approval, the companies must jointly file a copy of the written agreement at least fifteen days before the proposed effective date of the agreement. Companies may request the fifteen-day approval period be waived in the case of an emergency.

(3) The agreement filed with the commission must clearly state:

(a) The first company will charge customers for service provided by the second company at rates contained in the first company's filed tariff.

(b) The first company will pay the second company for providing service in compliance with terms stated in the agreement.

(c) The beginning and ending dates of the agreement.

(d) A provision for early termination of the agreement that includes at least five days' notice to the commission and to each party.

(4) This rule does not apply to contracts between a passenger transportation company and another person or company for a driver or vehicle, or both, to provide service on behalf of the passenger transportation company.