21.05.040 Violation of Prescribed System of Accounts Unlawful

When the Commission shall have prescribed the forms for accounts and records to be kept by any utility for any of its business, it thereafter shall be unlawful for such utility to keep any accounts or records of such business other than those prescribed by the Commission and those prescribed by or under authority of the United States with the exception of such accounts and records as shall be explanatory of and supplemental to the accounts and records prescribed by the Commission.