Monitoring, Control and Surveillance - 4.1 Unique Vessel Identifiers – IMO - International Seafood Sustainability Foundation International Seafood Sustainability Foundation

	4.1 Unique Vessel Identifiers – IMO	The IHS-Maritime administered International Maritime Organization numbering system (IMO number) provides a mechanism and registry for the unique identification and registration of vessels, which increases traceability and transparency at a global level.
Gear Type: All	Adopted: May 18, 2010 Amended: May 3, 2011 Amended: November 14, 2011 Amended: October 20, 2015 Effective: May 31, 2011	Processors, traders, importers, transporters, marketers and others involved in the seafood industry shall refrain from transactions in tuna caught by vessels subject to listing in the RFMO authorized vessel record and capable of being registered by IMO, that have not registered with IMO and thus have not received an IMO number unique vessel identifier.