69-12-602. Limitations on carrier agreements. The commission may not approve under 69-12-601 any agreement:
(1) between a carrier by highway and a carrier by rail unless it finds that such agreement is of the character described in 69-12-601 and is limited to matters relating to the transportation under joint rates or over through routes;
(2) which it finds is an agreement with respect to pooling or division of traffic, service, or earnings;
(3) which establishes a procedure for the determination of any matter through joint consideration unless it finds that under the agreement there is accorded to each party the free and unrestrained right to take independent action either before or after any determination arrived at through such procedure.