W. Va. Code § 22C-12-4: Powers granted herein supplemental to other powers vested in commission.

Any powers herein granted to the commission shall be regarded as in aid of and supplemental to and in no case a limitation upon any of the powers vested in said commission by other laws of this state or by the laws of the states of Illinois, Indiana, Kentucky, New York, Ohio, Pennsylvania, Tennessee, or by Congress or the terms of said compact.