Federal Contractors and Sub-Contractors Federal contractors and subcontractors will be required to begin using the U.S. Citizenship and Immigration Services’ E-Verify system starting June 30, 2009, to verify their employees’ eligibility to legally work in the United States.  Please click on the following link for more information on this new regulation: http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b9ac89243c6a7543f6d1a/?vgnextoid=534bbd181e09d110VgnVCM1000004718190aRCRD&vgnextchannel=534bbd181e09d110VgnVCM1000004718190aRCRD