The document summarizes the key aspects of cost audit procedures and reporting. It discusses how the cost auditor should audit materials, labor, overhead and stock. The cost audit report must state whether cost records were adequate and whether broad policies were followed. It compares cost audit to financial audit and management audit. Cost audit analyzes cost records and statements to assess efficiency, while financial audit ensures compliance and internal controls. Cost audit is compulsory for manufacturing companies and its report is submitted to shareholders, whereas financial audit report goes to the board and government. Management audit evaluates economy and output to improve performance.