TRAINER PRN - This is the personal registration number of your trainer - Your trainers DVSA number - This again is so the DVSA can keep a track of the standard of trainees that a trainer sends for the ADI Part 3
TRAINEE LICENCE - If you are on a trainee licence, then you will need the ADI 21T form to show that you have taken the minimum of 40 hours training, or if this is not the first attempt at the ADI Part 3, the form to show that you have taken extra training in between attempts.
ORDIT - Is your trainer ORDIT registered? - The DVSA only recognise ONE qualification for those it recommends as driving instructor trainers.
ORDIT Registration. - This stands for the Official Register of Driving Instructor Trainers these trainers have been assessed by the DVSA and found to offer the calibre of training for potential driving instructors that the DVSA requires. Having a city and guilds or being advanced driver creditted is not recognised as a sufficient standard by the DVSA only ORDIT registration.
Accompanied - This is not a requirement, but the DVSA does encourage all trainers to attend the ADI Part 3 with their trainees, to hear first hand any debrief, so that they can help the trainee progress further.