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]