- Internal Revenue Service
- U.S. Tax Court
- New York Department of Taxation and Finance
- New York City Department of Finance
- New York Tax Appeals Tribunal
- New Jersey Division of Taxation
- Connecticut Department of Revenue Services
- Pennsylvania Department of Revenue
- Florida Department of Revenue
- Washington, DC Office of Tax and Revenue
- Virginia Department of Taxation
- Tax Notes – Free Resources
- Legal Services New Jersey – Pro Bono Tax Legal Assistance Project
