Section 40-221 - Power of commission to prescribe record-keeping methods and accounts; conformity with interstate commerce commission requirements; limitation on keeping of accountsA. The commission may establish a system of accounts to be kept by public service corporations, or classify the corporations and establish a system of accounts for each class, and prescribe the manner in which accounts shall be kept. It may prescribe the forms of accounts, records and memoranda to be kept, including the records of the movement of traffic as well as the receipts and expenditures of money, and any other records necessary to carry out the provisions of this article. The commission may prescribe the accounts in which particular outlays and receipts shall be entered, charged or credited.B. The system of accounts established or forms prescribed shall not, in the case of corporations subject to the regulations of the interstate commerce commission, be inconsistent with the systems and forms established for the corporations by the interstate commerce commission, but the corporation commission may prescribe forms of accounts, records and memoranda covering information in addition to that required by the interstate commerce commission.C. It shall be unlawful for any such corporation to keep any accounts, records or memoranda other than those prescribed by the commission, or those prescribed by or under the authority of any other state or of the United States, excepting such accounts, records or memoranda as shall be explanatory of and supplemental to the accounts, records or memoranda prescribed.