Regulations last checked for updates: Jan 18, 2025

Title 33 - Navigation and Navigable Waters last revised: Jan 16, 2025
Appendix Appendix B - Appendix B to Part 331—Applicant Options With Initial Proffered Permit
authority: 33 U.S.C. 401
source: 65 FR 16493, Mar. 28, 2000, unless otherwise noted.