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Notice regarding Internal Revenue Manual updates
The Internal Revenue Manual is continually being updated to comply with Executive Orders 14151 and 14168. Current versions are provided to meet Electronic Freedom of Information Act requirements and may not yet reflect these updates. Pages will be revised and republished as updated content becomes available.
Beginning of main content
Internal Revenue Manuals
Table of Contents
| Part | Title |
|---|---|
| Part 1 | Organization, Finance, and Management |
| Part 2 | Information Technology |
| Part 3 | Submission Processing |
| Part 4 | Examining Process |
| Part 5 | Collecting Process |
| Part 6 | Human Resources Management |
| Part 7 | Rulings and Agreements |
| Part 8 | Appeals |
| Part 9 | Criminal Investigation |
| Part 10 | Security, Privacy, Assurance and Artificial Intelligence |
| Part 11 | Communications and Liaison |
| Part 13 | Taxpayer Advocate Service |
| Part 20 | Penalty and Interest |
| Part 21 | Customer Account Services |
| Part 22 | Taxpayer Education and Assistance |
| Part 25 | Special Topics |
| Part 30 | Chief Counsel Directives Manual – Administrative |
| Part 31 | Chief Counsel Directives Manual – Guiding Principles |
| Part 32 | Chief Counsel Directives Manual – Published Guidance and Other Guidance to Taxpayers |
| Part 33 | Chief Counsel Directives Manual – Legal Advice |
| Part 34 | Chief Counsel Directives Manual – Litigation in District Court, Bankruptcy Court, Court of Federal Claims, and State Court |
| Part 35 | Chief Counsel Directives Manual – Tax Court Litigation |
| Part 36 | Chief Counsel Directives Manual – Appellate Litigation and Actions on Decision |
| Part 37 | Chief Counsel Directives Manual – Disclosure |
| Part 38 | Chief Counsel Directives Manual – Criminal Tax |
| Part 39 | Chief Counsel Directives Manual – General Legal Services |
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