It sounds like you're using NINJA. I have only switched sections once and it was a quick, under 5 minute process. I would think Jeff is pretty flexible with special circumstances but it could depend on how much/often you plan to switch.
AUD: 55, 74, 71, 76*, 73, 69, 73, 75
BEC: 54, 70, 71, 75*, 65, 73, 77
FAR: 45, 54, 70
REG: 66, 68, 64, 62, 73, 68, 71, 77*