Tax practitioners are an important resource for ensuring that residents and businesses comply with the District's tax laws. The Office of Tax and Revenue (OTR) has created this gateway to help tax practitioners easily find the information and services they need when serving their clients. If you need further assistance, remember to contact OTR's Tax Practitioner Hotline at (202) 727-1435.
Assistance
- Common Errors of Business Taxpayers
- Common Errors of Individual Income Taxpayers
- Frequently Asked Questions
- Taxpayer Appeal Rights
- Tax Law and Guidance
- What's New This Tax Filing Season
Compliance
Credits
Forms
News and Outreach
Services
- Business Tax Online Filing
- Federal and State E-File Program
- Individual Income Tax Online Filing
- IRS Tax Center for Small Businesses/Self-Employed