33 CFR § 146.402 - Definitions.

---
identifier: "/us/cfr/t33/s146.402"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 146.402 - Definitions."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "146.402"
section_name: "Definitions."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "N"
subchapter_name: "OUTER CONTINENTAL SHELF ACTIVITIES"
part_number: "146"
part_name: "OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1333, 1348, 1350, 1356; 46 U.S.C. 70001, 70116; Sec. 109, Public Law No. 109-347, 120 Stat. 1884; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 78-160, 47 FR 9383, Mar. 4, 1982, unless otherwise noted."
cfr_part: "146"
---


# 146.402 Definitions.

For the purpose of this subpart:

*Arrives on the OCS* means when a vessel enters any OCS block area to commence operations for which it has submitted a Notice of Arrival under § 146.405(b)(2).

*OCS block area* means the names given by the Bureau of Ocean Energy Management, (BOEM) to define the OCS areas used to facilitate management or leasing on the OCS.

[USCG-2008-1088, 76 FR 2262, Jan. 13, 2011, as amended by USCG-2013-0797, 79 FR 36405, June 27, 2014]