S.C. Code Ann. § 58-9-510: Changes in phone rates.

Whenever the commission after a hearing finds that the existing rates in effect and collected by any telephone utility for any service are unjust, unreasonable, insufficient, unreasonably discriminatory, or in any way in violation of any provision of law, the commission shall determine the just, reasonable, and sufficient rates to be thereafter observed and in force and shall fix them by its order.