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CFR > Title 32 - National Defense > SUBTITLE B—Other Regulations Relating to National Defense > CHAPTER XVI—SELECTIVE SERVICE SYSTEM (parts 1600 to 1699) > PART 1615—ADMINISTRATION OF REGISTRATION > 1615.6—Selective service number.
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.