Authoritative Hierarchy of Tax Sources

Free CPA REG (Taxation & Regulation) lesson in Ethics, Professional Responsibilities and Federal Tax Procedures. 21 min read, ~3,102 words.

Statutory beats everything: Internal Revenue Code (Title 26 USC) and ratified tax treaties have the force of law. Treasury Regulations rank next: legislative interpretive procedural; final temporary proposed in weight. Judicial decisions: Supreme Court Circuit Courts of Appeals Tax Court (Regular) / District Court / Court of Federal Claims Tax...

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