---
kind: "section"
citation: "46 C.F.R. § 143.200"
title: "46"
number: "143.200"
heading: "Applicability."
url: "https://uscodex.org/cfr/46/143.200"
---

# §143.200. Applicability.

- (a) This subpart applies to all towing vessels subject to this subchapter.
- (b) Except as noted [paragraph (c)](#c) of this section, which lists later implementation dates for requirements in §§ [143.450](/cfr/46/143.450.md) and [143.460](/cfr/46/143.460.md), an existing towing vessel must comply with the applicable requirements in this part no later than either July 20, 2018 or the date the vessel obtains a Certificate of Inspection (COI), whichever date is earlier. The delayed implementation provisions in this section do not apply to a new towing vessel.
- (c) Existing vessels must meet the pilothouse alerter and towing machinery requirements of §§ [143.450](/cfr/46/143.450.md) and [143.460](/cfr/46/143.460.md) no later than 5 years after the issuance of the first COI for the vessel.

## Notes

### Authority

Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation No. 0170.1.

### Source

Source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.