Adherence to tariffs

Subject to any provision in the Electricity Act, Cap. 221, the Telecommunications Act, Cap. 229, the Water and Sewerage Act, Cap. 222 or any other law or subsidiary legislation made thereunder, no public utility provider shall, directly or indirectly, demand or receive a greater or lesser rate for any service rendered than that specified in the tariffs of such public utility applicable thereto and filed in the manner provided in section 12 of this Act.