33 CFR § 143.205 - Requirements for U.S. and undocumented MODUs.

---
identifier: "/us/cfr/t33/s143.205"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 143.205 - Requirements for U.S. and undocumented MODUs."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "143.205"
section_name: "Requirements for U.S. and undocumented MODUs."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "N"
subchapter_name: "OUTER CONTINENTAL SHELF ACTIVITIES"
part_number: "143"
part_name: "DESIGN AND EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1333(d)(1), 1348(c), 1356; 49 CFR 1.46; section 143.210 is also issued under 14 U.S.C. 946 and 31 U.S.C. 9701."
regulatory_source: "CGD 78-160, 47 FR 9382, Mar. 4, 1982, unless otherwise noted."
cfr_part: "143"
---


# 143.205 Requirements for U.S. and undocumented MODUs.

Each mobile offshore drilling unit that is documented under the laws of the United States or not documented under the laws of any nation must comply with the design, equipment, and inspection requirements of 46 CFR parts 107 and 108 in order to engage in OCS activities.