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Note: We do not provide tax advice. These tools are provided by the IRS for your use.

Basic Tools for Tax Professionals


Information You Need to File Returns For Your Clients

Your Responsibilities As A Tax Professional

Reference Materials

Representing Your Client Before the IRS After Returns Have Been Filed

IRS Collection Tools and Your Clients Rights

Requesting Transcripts And Other IRS Information On Clients

Criminal Investigation Division and Enforcement Initiatives
If you suspect or know of an individual or company that is not complying with the tax laws, you may report this fraudulent activity.

Treasury Inspector General for Tax Administration (TIGTA)
Report fraud, waste and abuse.

Frequently Used Telephone Numbers for Practitioners.
IRS Hotlines and Toll Free Numbers

  • People affected by Katrina who need help with tax matters can
    call 1-866-562-5227
  • Practitioner Priority Service 866-860-4259
  • Business Specialty Tax Line 800-829-4933
  • Forms and Publications 800-829-3676
  • Refund Hotline 800-829-1954
  • 100 Tax Topics 800-829-4477
  • E-Help Desk 866-255-0654
  • Tax Exempt Organizations 877-829-5500
  • Health Coverage Tax Credit Contact Center 866-628-4282
  • Report Tax Schemes 866-775-7474
  • EFTPS Customer Service 800-945-8400
  • Taxpayer Advocate 877-777-4778
  • Automated Substitute for Return (ASFR) Call Site 866-681-4271
  • Identity Protection Specialized Unit 800-908-4490