Our Business Divisions

Your individual contributions can gain new purpose for your nation in many different ways at the IRS. In addition to a wide range of career opportunities and job titles, our professionals work in distinct divisions and principal offices to meet the needs of different types of taxpayers. Each division has its own focus while carrying out the strategic goals of the IRS overall. The work you’ll do with the IRS strengthens America, no matter where you apply your talents within our organization.


Appeals exist to expedite the settlement of tax disputes without formal trial. You’ll work to resolve tax controversies without litigation, on a basis that is fair and impartial to both the government and the taxpayer. Advocacy enhances voluntary compliance and public confidence in the integrity and efficiency of the IRS. You’ll join a team of peers dedicated to professionalism, technical expertise and achieving resolution of disputes the best way possible for American taxpayers.

Chief Counsel

With the Internal Revenue Service as its client and approximately 1,500 attorneys on staff, the Office of Chief Counsel is the preeminent employer for tax attorneys in the country. Our attorneys are valued assets and the legal experience provided by Chief Counsel is unlike any other. Chief Counsel attorneys provide top quality legal advice and representation to the IRS in the administration of the nation's tax laws.

Chief Financial Officer (CFO)

The mission of the Chief Financial Officer (CFO) is to Lead the IRS's financial management operations with integrity and accountability and provide expert planning, sound financial advice, and excellent customer service.

Chief of Staff (COS)

The COS supports the commissioner and provides financial and program support to the commissioner's component offices.

Communications & Liaison (C&L)

Support the IRS mission by building relationships and understanding between IRS and its stakeholders through effective information sharing. Our Communications Division includes National Media Relations, Field Media Relations, Internal Communications, Technical Communications, Visual Education and Communication and Social Media branches. Our Legislative Affairs Division includes Congressional Affairs and Legislation & Reports branches. Our National Public Liaison includes Liaison & Tax Forum and Stakeholder Relationship Management branches

Deputy Commissioner - Operations Support (DCOS)

The Deputy Commissioner for Operations Support (DCOS) for the Internal Revenue Service is responsible for providing direction and oversight to the major operational and administrative functions for the IRS in support of its business units that provide taxpayer service and enforcement.

Deputy Commissioner - Services & Enforcement (DCSE)

The Deputy Commissioner for Services and Enforcement (DCSE) oversees the four taxpayer-focused IRS operating divisions, including Wage & Investment, Large Business & International, Small Business/Self-Employed and Tax Exempt and Government Entities.  DCSE also oversees the IRS Criminal Investigation Division, Office of Professional Responsibility, Online Services, the Return Preparer office and IRS Whistleblower Office.

Criminal Investigation

CI Special Agents fill a unique niche in the federal law enforcement community. The IRS is the only federal agency that can investigate potential criminal violations of the Internal Revenue Code. As part of our team, your investigative jurisdiction would include tax, money laundering and Bank Secrecy Act laws. You’ll cultivate specialized forensic and technological skills to protect our nation’s assets.

Enterprise Digitalization and Case Management Office (ED&CM)

Enterprise Digitalization and Case Management Office (ED&CM) is an integral part of the IRS with the unique mission to enhance the taxpayer and employee experience by improving business processes and modernizing systems through two critical initiatives: Digitalization and Enterprise Case Management. ED&CMO addresses IRS’s need to modernize and consolidate many aging legacy systems. It empowers taxpayers and IRS employees to rapidly resolve issues in a simplified digital environment by drawing on leading industry practices to identify what combination of business processes and technology work best for IRS customers and employees. 

Equity, Diversity & Inclusion (EDI)

The EDI Office is focused on building and sustaining a model EEO program and its efforts to create and maintain a workforce in which employees feel valued and can make significant contributions towards the Service's mission. EDI's vision is to create an equitable, diverse and inclusive IRS that is fully equipped to understand, adapt, and support the ever-changing needs of taxpayers and tax administration.

Facilities Management & Security Services (FMSS)

The Facilities Management and Security Services (FMSS) Division is a support services provider organization charged with providing nationwide facilities and security services for the Internal Revenue Service (IRS). With a budget of almost $1 billion, we manage over 26 million square feet of space at approximately 600 locations throughout the United States.

Human Capitol Office (HCO)

The HCO mission is to make IRS an employer of choice and a leader in human capital planning and management. It develops strategies and tools for recruiting, hiring, developing and retaining a highly skilled and high performing workforce to support the IRS mission. Some of the positions offered with HCO include Human Resources Specialists, Human Resources Assistants, Equal Opportunity Specialist, Public Affairs Specialists, Management & Program Analysts, and Staff Assistants.

Information Technology (IT)

The Internal Revenue Service (IRS) boasts one of the largest and most ambitious Information Technology (IT) organizations in the world - the Modernization and Information Technology Services (MITS) Division. Our IT modernization program is one of the federal government's most complex initiatives. We develop mission-critical IRS information systems that support our nation's tax administration system and reduce the administrative burdens on American taxpayers for generations to come. We are proud of our public service to the United States.


The mission of the IRS NEXT Office is to instill pride and confidence in our nation’s tax system by developing a strategy for continuously improving the taxpayer experience and an organizational structure that enables seamless taxpayer interactions. The IRS NEXT Office reviews the taxpayer experience and related services and submit a comprehensive customer service strategy; builds upon existing business modernization efforts through high integration and continued collaboration with IT and other work processes; reviews organizational structure and provide Congress with a proposal for updating that structure; develops and submits a comprehensive training strategy. 

Large Business & International Division (LB&I)

You’ll deal with complicated issues involving tax law and accounting principles for corporations, subchapter S corporations and partnerships with assets greater than $10 million in the LB&I. These businesses employ a large number of employees and conduct business in an expanding global environment. You will work supporting one industry – such as communications or heavy manufacturing – working to combat abusive tax avoidance transactions, identify and address compliance risks and make sure the most recent partnerships, processes and legislative changes are used in assessment and reporting.

Office of the Chief Procurement Officer (OCPO)

IRS Procurement provides acquisition services for all business units of the IRS and other bureaus and offices within Treasury.  Procurement contracting professionals deliver quality service and support throughout the acquisition life cycle, from planning to close out. Procurement’s goal as business advisers and partners is to help create agile and innovative contract solutions to ensure the IRS can meet its mission of effective tax administration.   

Office of the Chief Risk Officer (OCRO)

The OCRO oversees both the Enterprise Risk Management (ERO) and the Enterprise Audit Management (EAM) programs. The ERM program provides a strategic framework to effectively deal with risk across the agency. The EAM program provides a collaborative enterprise approach to the IRS Treasury Inspector General for Tax Administration (TIGTA)/Government Accountability Office (GAO) audit management process. 

Office of Professional Responsibiity (OPR)

The OPR's vision, mission, strategic goals and objectives support effective tax administration by ensuring all tax practitioners, tax preparers, and other third parties in the tax system adhere to professional standards and follow the law.

Online Services (OLS)

Online Service is uniquely poised to help deliver digital solutions to taxpayers at all stages of the tax process. Whether finding ways for taxpayers to track the progress of their refund, find options for paying additional taxes due, or managing their own account on IRS.gov, Online Services is here to help. We work closely with each of the Business Operating Divisions of IRS to ensure that all online solutions closely align to the business goals and effectively deliver. Everything we do in Online Services is being monitored and measured every step of the way. From tracking the visits to the website and each of the various products and applications we have launched on the site, to monitoring customer service sentiment through all communications channels, including social media, Online Services is working to ensure that taxpayers can find, learn and use the tools and information provided to them by IRS. 

Privacy, Governmental Liaison and Disclosure (PGLD)

PGLD is responsible for safeguarding and protecting sensitive taxpayer and employee information while promoting government transparency and accountability through better access to government information. PGLD is geographically dispersed across the U.S. with business operations sharing a commitment to privacy, records and information management, and data and employee protection. PGLD preserves and enhances public confidence by advocating for the protection and proper use of sensitive information.

Research, Applied Analytics, and Statistics (RAAS)

Research, Applied Analytics, and Statistics (RAAS) anticipates and meets customers’ needs by providing leading research, analytical, statistical, and technology services. RAAS provides an intellectually challenging and supportive environment for our employees. We are the leading source for data analytics, analytical and statistical support, research tools and information, and breakthrough technologies within the IRS. RAAS recommendations, studies and data are effectively used to assist in the administration of the U.S. tax system and to improve IRS performance. Our projects encompass a variety of subjects, including statistical analyses, program evaluations, research on topics affecting tax administration, compliance studies and the administration of enterprise research resources. RAAS serves as a consultant to the IRS Commissioner and the Senior Executive Team and is a strategic partner for decisions affecting Service-wide operations.

Return Preparer Office (RPO)

The Return Preparer Office (RPO) oversees Preparer Tax Identification Numbers (PTINs), enrollment programs, IRS approved continuing education providers, and the Annual Filing Season Program for tax return preparers.

Small Business/Self-Employed Division (SB/SE)

Approximately 57 million taxpayers, 41 million self-employed persons, 9 million small businesses with assets of less than $10 million and 7 million filers of employment, excise, estate and gift returns fall under the SB/SE category. As an IRS representative serving this group, you’ll educate and inform these citizens of their tax obligations, develop educational products and services and help them understand and comply with applicable laws. Through collection, compliance services campus operations, examination, specialty taxes or communications, liaison and disclosure, you’ll help to address the underreporting, underpayment and non-filing tax gaps.

Taxpayer Advocate Service (TAS)

An independent organization within the IRS, the Taxpayer Advocate Service helps taxpayers resolve problems and recommends changes that will prevent them. You’ll assist taxpayers who are experiencing economic harm. These taxpayers are seeking help to either resolve tax problems that have not been resolved through normal channels or require help to resolve issues with IRS systems or procedures. The service is free, confidential and tailored to meet the taxpayers’ needs. Available for businesses as well as individuals, you’ll be there to listen to problems, help taxpayers understand what needs to be done, and work with them until the problem is resolved.

Taxpayer Experience Office (TXO)

The goal of the TXO is to create a positive experience for taxpayers while helping them understand and meet their tax responsibilities. We do this by providing the services taxpayers deserve while fostering a culture where the focus is on the entire taxpayer experience and identifying opportunities for continuous improvement.

Tax Exempt & Government Entities Division (TE/GE)

As part of the TE/GE division, you’ll help customers understand and comply with applicable tax laws, and protect public interest by applying the tax law with integrity and fairness to all. TE/GE is designed to serve the needs of three very distinct customer segments: employee plans, exempt organizations and government entities. Ranging from small local community organizations and municipalities to major universities, huge pension funds, state governments, Indian tribal governments and more, they represent a large economic sector with unique needs. You’ll answer four basic key customer needs: education and communication, rulings and agreements, examination and customer account service.

Wage & Investment Division (W&I)

W&I is focused on providing the best service possible to help taxpayers understand and comply with applicable tax laws and protect the public interest by applying the tax law with integrity and fairness to all. Most taxpayers in this segment pay taxes through withholdings, prepare their own returns, only interact with the IRS once a year, and receive refunds. As part of the W&I team, you’ll focus on one of our four key practices:

  • Customer Assistance, Relationships and Education (CARE)
  • Customer Account Services (CAS)
  • Compliance
  • Electronic Tax Administration and Refundable Credits

Whistleblower Office (WO)

The vision of the Whistleblower Office (WO) is to provide fair treatment for whistleblowers and taxayers, and support to IRS efforts to apply tax laws with integrity and fairness.

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