E-Verify is a voluntary program for employers, with limited exceptions. E-Verify is an essential tool for employers committed to maintaining a legal workforce. The E-Verify system is operated by the Department of Homeland Security in partnership with the Social Security Administration. E-Verify is mandatory for some employers, such as those employers with federal contracts or subcontracts that contain the Federal Acquisition Regulation (FAR) E-Verify clause and employers in certain states. Will E-verify be mandatory for all companies receiving federal subsidies too ...like the large transnational agricultural corporations.