porridge,
Looking at your profile and your other posts on PP it appears that you are an instructor in the South East, don't work for the CAA, and perhaps do some freelance FAA training? I would guess that what you write is a compendium of info obtained from various places.
I'd like to know how much of it is reliable. For example can you provide the legal references for this paragraph:
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Q: I have a G-reg aircraft; may I receive training in this aircraft for a FAA certificate?
A: Yes, but the instructor you use must have a JAA Instructor rating, to be paid he/she must have a Commercial License, and to make the training compliant have a FAA CFI rating. (Note for some certificates, a non-FAA rated instructor can do part of the training – e.g.: a JAA instructor or even a safety pilot can do 25 hours of FAA IR).
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Where does the "25 hours" come from? FAR/AIM 2005 page number please
Some of the other stuff is also incorrect, according to the DfT (this week). They don't need instructor details, for example.
You also omit to mention that the permission is required only if the instructor is paid. The DfT was very clear on that.
It's great to put together the current info on N-reg training rules all in one place, but we need references, and there must be no obvious errors.
Anyone contacting the DfT should telephone Roger Kinsey there on 0207 944 5847 to establish their precise requirements (which vary from day to day) before sending them any information whatsoever.