[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR21.5] [Page 412] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 21--REPORTING OF DEFECTS AND NONCOMPLIANCE--Table of Contents Sec. 21.5 Communications. Except where otherwise specified in this part, all written communications and reports concerning the regulations in this part must be addressed to the Document Control Desk, U.S. Nuclear Regulatory Commission, Washington, DC 20555. In the case of a licensee, a copy must also be sent to the appropriate Regional Administrator at the address specified in appendix D to part 20 of this chapter. [56 FR 36089, July 31, 1991]