[Code of Federal Regulations] [Title 32, Volume 6] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 32CFR1615.6] [Page 314] TITLE 32-NATIONAL DEFENSE CHAPTER XVI--SELECTIVE SERVICE SYSTEM PART 1615_ADMINISTRATION OF REGISTRATION--Table of Contents Sec. 1615.6 Selective service number. Every registrant shall be given a selective service number. The Social Security Account Number will not be used for this purpose.