[Code of Federal Regulations] [Title 20, Volume 3] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR603.3] [Page 29] TITLE 20--EMPLOYEES' BENEFITS CHAPTER V--EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR PART 603--INCOME AND ELIGIBILITY VERIFICATION SYSTEM--Table of Contents Subpart A--Income and Eligibility Verification System Sec. 603.3 Eligibility condition for claimants. (a) The State unemployment compensation agency shall require, as a condition of eligibility for unemployment benefits, that each claimant for benefits furnish to the agency his/her social security number (or numbers if he/she has more than one such number), and the agency shall utilize such numbers in the administration of the unemployment compensation program so as to associate the agency's records pertaining to each claimant with the claimant's social security number(s). (b) If the State agency determines that a claimant has refused or failed to provide a Social Security Number, then that individual shall be ineligible to participate in the unemployment compensation program. (c) Any claimant held ineligible for not supplying a social security number may become eligible upon providing the State agency with such number retroactive to the extent permitted under State law. (Section 1137(a)(1)).