Since New Jersey did not create its own registry for saltwater fishing by the end of 2009, all saltwater fishermen (and women) are required to register in the (free this year) national registry. You can read background articles from the Press in the links below.
You can register (or see if you need to register) here
Press of Atlantic City January 9, 2010: Marine Fisheries Council supports saltwater license in New Jersey
Press of Atlantic City January 3, 2010: Fines coming for unregistered saltwater anglers, but you’ll probably get a warning first
Press of Atlantic City December 26, 2009: Fishermen need state to avoid federal fee