The Immigration Reform and Control Act of 1986, requires employers to: obtain clearance from the Department of Labor and Social Security Administration of a candidate they wish to hire. send copies of all identification and work authorization documents submitted by employees to the United States Citizenship and Immigration Service. determine whether the job applicant is a U.S. citizen, registered alien, or illegal alien, within 72 hours of hiring. D contact the Department of Homeland Security if an illegal alien applies for a job without proper work authorization