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Regulations last checked for updates: May 17, 2025
Title 33 - Navigation and Navigable Waters last revised: May 06, 2025
All Titles
Title 33
Chapter I
Part 173
Subpart B - Subpart B—Numbering
§ 173.11 - Applicability.
§ 173.13 - Exemptions.
§ 173.15 - Vessel number required.
§ 173.17 - Reciprocity.
§ 173.19 - Other numbers prohibited.
§ 173.21 - Certificate of number required.
§ 173.23 - Inspection of certificate.
§ 173.25 - Location of certificate of number.
§ 173.27 - Numbers: Display; size; color.
§ 173.29 - Notification to issuing authority.
§ 173.31 - Surrender of certificate of number.
§ 173.33 - Removal of number.
§ 173.35 - Coast Guard validation sticker.
authority:
31 U.S.C. 9701
;
46 U.S.C. 2110
,
6101
,
12301
,
12302
; OMB Circular A-25; DHS Delegation No. 00170.1, Revision No. 01.4
source:
CGD 72-54R, 37 FR 21399, Oct. 7, 1972, unless otherwise noted.
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