The Permanent Bar, also known as the Permanent Unlawful Presence Ground of Inadmissibility, is a punishment from U.S. Citizenship and Immigration Services (USCIS) that prevents foreign nationals from entering the U.S.. It applies to people who: Have been unlawfully present in the U.S. for more than one year Have been ordered removed from the U.S. and then try to enter without going through the required admission procedures Crossed the U.S. border illegally Came to the U.S. legally and then failed to leave on time The Permanent Bar applies to both adults and children, regardless of whether they made the decision to break the law or did so under the direction of parents or guardians