33 CFR § 148.310 - How long does a license last?

---
identifier: "/us/cfr/t33/s148.310"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 148.310 - How long does a license last?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "148.310"
section_name: "How long does a license last?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "NN"
subchapter_name: "DEEPWATER PORTS"
part_number: "148"
part_name: "DEEPWATER PORTS: GENERAL"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1504; Department of Homeland Security Delegation No. 0170.1 (75)."
regulatory_source: "USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted."
cfr_part: "148"
---


# 148.310 How long does a license last?

Each license remains in effect indefinitely subject to the following:

(a) If it is suspended or revoked by MARAD;

(b) If it is surrendered by the owner; or

(c) As otherwise provided by condition of the license.