46 CFR § 31.40-40 - Duration of Convention certificates—T/ALL.

---
identifier: "/us/cfr/t46/s31.40-40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 31.40-40 - Duration of Convention certificates—T/ALL."
title_number: 46
title_name: "Shipping"
section_number: "31.40-40"
section_name: "Duration of Convention certificates—T/ALL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "TANK VESSELS"
part_number: "31"
part_name: "INSPECTION AND CERTIFICATION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j); 46 U.S.C. 2103, 3205, 3306, 3307, 3703; 46 U.S.C. Chapter 701; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4. Section 31.10-21 also issued under the authority of Sect. 4109, Pub. L. 101-380, 104 Stat. 515."
regulatory_source: "CGFR 65-50, 30 FR 16662, Dec. 30, 1965, unless otherwise noted."
cfr_part: "31"
---


# 31.40-40 Duration of Convention certificates—T/ALL.

(a) The following certificates are valid for a period of not more than 60 months.

(1) A Cargo Ship Safety Construction Certificate.

(2) A Cargo Ship Safety Equipment Certificate.

(3) A Safety Management Certificate.

(4) A Cargo Ship Safety Radio Certificate.

(b) An Exemption certificate must not be valid for longer than the period of the certificate to which it refers.

(c) A Convention certificate may be withdrawn, revoked, or suspended at any time when it is determined that the vessel is no longer in compliance with applicable requirements. (See § 2.01-70 of this chapter for procedures governing appeals.)

[USCG-1999-4976, 65 FR 6500, Feb. 9, 2000]