- Internal Revenue Service
- Internal Revenue Manual
- Internal Revenue Code
- U.S. Tax Court
- Taxpayer Advocate
- Department of Justice (Tax)
- Criminal Tax Manual
- Judgment Collection Manual
- Summons Enforcement Manual
- Settlement Reference Manual
- U.S. Attorneys Office Southern District of New York
- U.S. Attorneys Office Eastern District of New York
- United States Sentencing Commission
- Supreme Court of the United States
- U.S. District Court Southern District of New York
- U.S. District Court Eastern District of New York
- U.S. District Court for the District of Maryland
- U.S. Court of Federal Claims