46 CFR § 64.1 - Purpose.

---
identifier: "/us/cfr/t46/s64.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 64.1 - Purpose."
title_number: 46
title_name: "Shipping"
section_number: "64.1"
section_name: "Purpose."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "64"
part_name: "MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3."
regulatory_source: "CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted."
cfr_part: "64"
---


# 64.1 Purpose.

This part contains the requirements for—

(a) Design, construction, repair, alteration, and marking of marine portable tanks (MPTs) authorized by this chapter to be carried on inspected vessels;

(b) Periodic inspections and tests of MPTs; and

(c) Design and construction of cargo-handling systems for MPTs and other portable tanks authorized under subparts 98.30 and 98.33 of this chapter.

[CGD 84-043, 55 FR 37409, Sept. 11, 1990; 55 FR 47477, Nov. 14, 1990]