K.S.A. 66-154b: Same; refund.

It shall be lawful for any common carrier to refund to any person, company or corporation any unreasonable, unfair, unjust or unjustly discriminatory or unduly preferential rate or charge which it has exacted, received or collected from any shipper, in accordance with the certificate referred to in K.S.A. 66-154a, and amendments thereto.