In all cases where an order fixing rates to be charged by any public service corporation, person or firm, has been appealed from and a supersedeas issued, the Corporation Commission, in making all orders requiring a refund of overcharges during the time the rates or charges were suspended, shall require such public service corporation, person, or firm, to pay, in addition to such refund, all expenses incurred by the Corporation Commission in checking such refund, determinating to whom the same belongs, and in delivering the same to the party lawfully entitled thereto.
Okla. Stat. tit. 17, § 123