Tariffs, filing and inspections

(1) Without prejudice to any provision under this Act or any other law or licence requiring a licensee to file returns in accordance with this Act, law or licence, every licensee shall file with the P.U.C., within such time and in such form as the P.U.C. may from time to time by Regulations prescribe, tariffs showing all rates which such licensee is by law authorized to establish or charge for the provision of the services, and shall keep copies of such tariffs open to public inspection. (2) The rates submitted to the P.U.C. under sub-section (1), shall be the authorised rates for such licensee until changed according to the law, in which case such changed rates shall be submitted to the P.U.C. pursuant to sub-section (1).