Cost Accounting Standards (CAS) or Cost Accounting Standards Board (CASB)

A set of 19 standards and rules proposed by the Cost Accounting Standards Board (CASB) and issued by the United States Government to establish consistency in cost accounting practices and to enable standard audits of those practices. Four of these standards (CAS 501, 502, 505, and 506) have been incorporated into OMB Circular A-21.