All books and records of the utility shall be maintained in accordance with the NARUC Uniform System of Accounts for Class A, B and C Water Utilities to the extent applicable, and such records must be made available for examination by the ORS or its authorized representatives at all reasonable hours. Full cooperation will be provided by the utility during rate adjustment audits or compliance audits conducted by the ORS or its representatives.
S.C. Code Regs. § 103-719