They made all priors short of a black belt do all the tan belt training. Which includes the oh so fun LZ drills. However, at certain times they had prior green belts and up help with the teaching of the particular skills, but in regards to being completely exempt from the training, they were not. You will have time to work on advancing on test day. So while all the Lt's are getting tested, you will go on your seperate program and work on your next belt. That's what they did with us at least.