| Part1 |
Organization, Finance and Management |
| Part2 |
Information Technology |
| Part3 |
Submission Processing |
| Part4 |
Examining Process |
| Part5 |
Collecting Process |
| Part6 |
Human Resources Management |
| Part7 |
Rulings and Agreements |
| Part8 |
Appeals |
| Part9 |
Criminal Investigation |
| Part10 |
Security, Privacy and Assurance |
| Part11 |
Communications and Liaison |
| Part13 |
Taxpayer Advocate Service |
| Part20 |
Penalty and Interest |
| Part21 |
Customer Account Services |
| Part22 |
Taxpayer Education and Assistance |
| Part25 |
Special Topics |
| Part30 |
Administrative |
| Part31 |
Guiding Principles |
| Part32 |
Published Guidance and Other Guidance to Taxpayers |
| Part33 |
Legal Advice |
| Part34 |
Litigation in District Court, Bankruptcy Court, Court of Federal Claims, and State Court |
| Part35 |
Tax Court Litigation |
| Part36 |
Appellate Litigation and Actions on Decision |
| Part37 |
Disclosure |
| Part38 |
Criminal Tax |
| Part39 |
General Legal Services |
