Cost accounting compliance for electricity companies: certified cost records and board approved annexure must be maintained and filed within prescribed time limits. Requires specified electricity companies to maintain cost accounting records per Proformae A-H and the Institute's principles and standards, reconcile cost statements with audited financials, retain records for at least eight years, and submit a Board approved Annexure and a Cost Accountant certified compliance report in prescribed forms to the Central Government within the prescribed time limit; penalties apply to cost accountants, companies and officers for default.