Regulations last checked for updates: Jun 24, 2026

Title 6 - Domestic Security last revised: Jun 22, 2026
All TitlesTitle 6Chapter IPart 21Appendix Appendix A - Appendix A to Part 21—Activities to Which This Part Applies
Collapse to view onlyAppendix Appendix A - Appendix A to Part 21—Activities to Which This Part Applies
Table of Contents

authority: 5 U.S.C. 301; 6 U.S.C. 112; 42 U.S.C. 2000d-2000d-7.
source: 68 FR 10904, Mar. 6, 2003, unless otherwise noted.
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