Excellent reply from PA28-161, my understanding is that everything he's said is correct.
Two things though. First to emphasise PA28's point that the aircraft must be on a CofA - you're not allowed to use PFA aircraft for PPL instructing. And second, make sure that your aircraft meets all the requirements for your training. For example, it must have complete dual controls, including brakes. You must have sufficient navigational equipment to be able to show the examiner that you can track the appropriate beacons, and you must have enough instruments to be able to demonstrate instrument flying. I don't know the exact requirements, but I'm sure your friendly local examiner (or maybe instructor if you can't find an examiner) will be able to help you out.
FFF
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