Listen to the article here: GLC INC. · What Is An ISF 10+2 ISF or 10 + 2 or Importer Security Filing How can GLC Help with an ISF? GLC is a licensed customs broker so we are able to electronically submit specific advance cargo information to the U.S. Customs and Border Protection agency (CBP). This information is known as an ISF (Importer Security Filing) … Read More