33 CFR 64.13 : Navigation And Navigable Waters (§ 1.01-1 To Parts 404-499) — (§ 1.01-1 To Parts 121-124) — Coast Guard, Department Of Homeland Security (§ 1.01-1 To Parts 121-124) — Aids To Navigation (Part 60 To § 76.10-1) — Marking Of Structures, Sunken Vessels And Other Obstructions (§ 64.01 To § 64.33) — Sunken Vessels And Other Obstructions (§ 64.11 To § 64.16) — Approval for waiver of markings.

(a) Owners and/or operators of sunken vessels, rafts or other craft sunk in navigable waters may apply to the District Commander, in whose jurisdiction the vessel, raft, or other craft is located, for a waiver of the requirement to mark them with a light at night as required under § 64.11(a) of this subpart. Information on how to contact the District Commander is available at http://www.uscg.mil/top/units.

(b) The District Commander may grant a waiver if it is determined that -

(1) Marking the wrecked vessel, raft or other craft with a light at night would be impractical, and

(2) The granting of such a waiver would not create an undue hazard to navigation.