33 CFR § 160.212 - When to submit an NOA.

---
identifier: "/us/cfr/t33/s160.212"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 160.212 - When to submit an NOA."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "160.212"
section_name: "When to submit an NOA."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "160"
part_name: "PORTS AND WATERWAYS SAFETY—GENERAL"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70001-70003, 70034, and Chapter 701; DHS Delegation 00170.1, Revision No. 01.4. Subpart C is also issued under the authority of 46 U.S.C. 3715 and 46 U.S.C. 70011."
regulatory_source: "CGD 79-026, 48 FR 35404, Aug. 4, 1983, unless otherwise noted."
cfr_part: "160"
---


# 160.212 When to submit an NOA.

(a) *Submission of an NOA.* (1) Except as set out in paragraphs (a)(2) and (a)(3) of this section, all vessels must submit NOAs within the times required in paragraph (a)(4) of this section.

(2) Towing vessels, when in control of a vessel carrying CDC and operating solely between ports or places of the contiguous 48 states, Alaska, and the District of Columbia, must submit an NOA before departure but at least 12 hours before arriving at the port or place of destination.

(3) U.S. vessels 300 gross tons or less, arriving from a foreign port or place, and whose voyage time is less than 24 hours must submit an NOA at least 60 minutes before departure from the foreign port or place. Also, Canadian vessels 300 gross tons or less, arriving directly from Canada, via boundary waters, to a United States port or place on the Great Lakes, whose voyage time is less than 24 hours must submit an NOA at least 60 minutes before departure from the Canadian port or place.

(4) Times for submitting NOAs are as follows:

| If your voyage time is— | Then you must submit an NOA— |
| --- | --- |
| (i) 96 hours or more; or | At least 96 hours before arriving at the port or place of destination; or |
| (ii) Less than 96 hours | Before departure but at least 24 hours before arriving at the port or place of destination. |

(b) *Submission of updates to an NOA.* (1) Except as set out in paragraphs (b)(2) and (b)(3) of this section, vessels must submit updates in NOA information within the times required in paragraph (b)(4) of this section.

(2) Towing vessels, when in control of a vessel carrying CDC and operating solely between ports or places in the contiguous 48 states, Alaska, and the District of Columbia, must submit updates to an NOA as soon as practicable but at least 6 hours before entering the port or place of destination.

(3) U.S. vessels 300 gross tons or less, arriving from a foreign port or place, whose voyage time is—

(i) Less than 24 hours but greater than 6 hours, must submit updates to an NOA as soon as practicable, but at least 6 hours before entering the port or place of destination.

(ii) Less than or equal to 6 hours, must submit updates to an NOA as soon as practicable, but at least 60 minutes before departure from the foreign port or place.

(4) Times for submitting updates to NOAs are as follows:

| If your remaining voyage time is— | Then you must submit updates to an NOA— |
| --- | --- |
| (i) 96 hours or more; | As soon as practicable, but at least 24 hours before arriving at the port or place of destination; |
| (ii) Less than 96 hours but not less than 24 hours; or | As soon as practicable, but at least 24 hours before arriving at the port or place of destination; or |
| (iii) Less than 24 hours | As soon as practicable, but at least 12 hours before arriving at the port or place of destination. |

[USCG-2005-21869, 80 FR 5333, Jan. 30, 2015]