<P> The Financial Accounting Standards Board (FASB) has published U.S. GAAP in Extensible Business Reporting Language (XBRL) beginning in 2008 . </P> <P> Auditors took the leading role in developing GAAP for business enterprises . </P> <P> Accounting standards have historically been set by the American Institute of Certified Public Accountants (AICPA) subject to Securities and Exchange Commission regulations . The AICPA first created the Committee on Accounting Procedure in 1939 and replaced that with the Accounting Principles Board in 1959 . In 1973, the Accounting Principles Board was replaced by the Financial Accounting Standards Board (FASB) under the supervision of the Financial Accounting Foundation with the Financial Accounting Standards Advisory Council serving to advise and provide input on the accounting standards . Other organizations involved in determining United States accounting standards include the Governmental Accounting Standards Board (GASB), formed in 1984; and the Federal Accounting Standards Advisory Board (FASAB), formed in 1990 . </P> <P> Circa 2008, the FASB issued the FASB Accounting Standards Codification, which reorganized the thousands of U.S. GAAP pronouncements into roughly 90 accounting topics . </P>

Generally accepted accounting principles​ (gaap) are currently formulated by the