62-8-5: Adherence to schedules.

No public utility shall directly or indirectly, by any device whatsoever, or in anywise, charge, demand, collect or receive from any person a greater or less compensation for any service rendered or to be rendered by such public utility than that prescribed in the schedules of such public utility applicable thereto then filed in the manner provided in this act, nor shall any person receive or accept any service from a public utility for a compensation greater or less than that prescribed in such schedules.