The 3rd PNA Implementing Arrangement, signed in May 2008: * decreed fishing vessels will no longer be allowed to fish in high seas pockets as a condition of their licenses * banned Fishing Aggregating Devices (FADs, a device used to attract tuna which often results in the capture of juvenile fish) by purse seine fishing vessels for set time periods * introduced catch retention (to stop dumping of lower value tuna overboard purse seine fishing vessels)