At-a-Glance: IRS Divisions and Principal Offices

Four primary IRS Divisions at-a-glance:

• Wage and Investment
• Large Business and International
• Small Business/Self-Employed
• Tax-Exempt and Government Entities

Other principal offices:

• Office of Chief Counsel
• Taxpayer Advocate Service
• Criminal Investigation
• Appeals
• Return Preparer Office
• Office of Professional Responsibility (OPR)
• Communications and Liaison
• Whistleblower Office
• Privacy, Governmental Liaison and Disclosure   
• Equity, Diversity and Inclusion