Definition of colloquium: General: Seminar or training program in which the participants determine the subject to be covered and its scope.
Each program has a different travel security focus, so weâve compiled a comparison to help you determine which Trusted Traveler program is right for you. In addition, weâve included a simple chart of the major features of each program for quick reference.
up vote 7 down vote. No you do not. A Known Traveler Number is for PreCheck. You can get into PreCheck via a number of programs, including Nexus. For Nexus people, put your PASSID (from the back of your card) into the Known Traveler Number field.