As of June 9, 2008 all federal contractors must verify a new hire’s social security number. Verification is recommended for other employers to document compliance with immigration laws and regulations. To verify social security numbers, click here (http://www NULL.dhs NULL.gov/xprevprot/programs/gc_1185221678150 NULL.shtm) for a free service offered by the Department of Homeland Security and the Social Security Administration.