Criminal investigation is the police force of the IRS, and its employees are called special agents. They work out of district offices and service centers. Chances are slight that you will ever meet an IRS criminal investigator. If you do, it means that you or someone you know is under investigation for a tax crime. These officers are found at service centers and regional and district offices.
PROs hold powers to cut through red tape and get things done quickly.
The total number of IRS employees at all levels comes close to 115,000, making it our largest federal bureaucracy. There is talk on Capitol Hill of downsizing the IRS to 85,000 employees. Read the following example, which should shed some light on the relationship of the various divisions. On April 15, Arnold and Aimee Tyson file their income tax return by mail with their service center. The information on their return is transmitted to the National Computer Center for analysis and given a potential audit score.