Generally Accepted Accounting Principles (United States)
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The Generally Accepted Accounting Principles (GAAP) are the set of default accounting standards used by companies based in the United States.
Published and maintained by the Financial Accounting Standards Board (FASB), the Accounting Standards Codification outlines the specific and authoritative rules governing GAAP for non-governmental organisations. GAAP sources of law for government agencies and Securities and Exchange Commission (SEC) registrants are found in federal securities law and SEC directions.
Since 2008, the FASB has published U.S. GAAP in Extensible Business Reporting Language (XBRL).