Code of Federal Regulations, the compilation of federal administrative rules in the United States. Used in legal and regulatory contexts.
Modern acronym from English 'Code of Federal Regulations', established in 1938 to organize and publish federal rules systematically.
The CFR contains over 200 volumes and is updated annually - it's essentially the operating manual for American federal government, containing everything from food safety standards to aviation rules. Most citizens unknowingly follow dozens of CFR regulations daily.
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