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NRC Form 664 - General Licensee Registration

Form Number:	NRC Form 664
Form Title:	General Licensee Registration
Current Edition:	12/30/2025
Authority Directive or Regulation:	10 CFR 31.5
Form Status:	Approved by OMB: 3150-0198, Expires: 12/31/2028
Special Instructions:	Instructions are included on pages 2 and 3 and also throughout the form. For questions please contact: GLTS.Resource@nrc.gov Esther Bryan, Project Manager, NMSS/MSST/MSLB Telephone: (301) 415-5011 or Email: Esther.Bryan@nrc.gov

Page Last Reviewed/Updated Thursday, August 27, 2026