About ICCAT
Updated date:

What is ICCAT
One simple word : ICCAT is Manage TUNA species resource at Atlantic Ocean.
ICCAT HP :
https://www.iccat.int/en/
About Atlantic Bluefin tuna relation with ICCAT
One simple word : ICCAT is Manage Atlantic Bluefin tuna resource and trade.
First, Atlantic Bluefin tuna trade cannot take place without eBCD (electric Bluefin tuna Catch Document) issued by ICCAT.
The same goes for small quantities sold wholesale to restaurants.