33 C.F.R. § 175.128 Marking.
Title 33 - Navigation and Navigable Waters
No person may use a boat unless each signal required by §175.110 is legibly marked with the approval number or certification statement as specified in 46 CFR Parts 160 and 161. [CGD 93–055, 61 FR 13926, Mar. 28, 1996, as amended by USCG–1999–5832, 64 FR 34715, June 29, 1999]
Title 33: Navigation and Navigable Waters
PART 175—EQUIPMENT REQUIREMENTS
Subpart C—Visual Distress Signals
§ 175.128 Marking.

