The Full Form of IER is Immigrant and Employee Rights.

The Immigrant and Employee Rights Section is responsible for protecting immigrants authorized to work in the U.S. against employment discrimination.

The Immigrant and Employee Rights Section, Civil Rights Division (formerly the Office of Special Counsel for Immigration-Related Unfair Employment Practices (OSC)), in the Civil Rights Division of the United States Department of Justice, is responsible for enforcing the Immigration Reform and Control Act of 1986 (IRCA), which protects US citizens and certain other individual from discriminations based on their citizenship or immigration status. It is headed by a Special Counsel, appointed by the President for a four-year term and confirmed by the Senate.

The Immigrant and Employee Rights Section was established as OSC in 1986 by the IRCA, changing its name to Immigrant and Employee Rights Section effective January 18, 2017.