How about instead of your wording "if the radio has been modified" which will get you an answer based on an untruth, be upfront about it and ask "if the radio is operated as delivered from the factory" since you are using the TK-805D as your example. Actually, since you persist in using the term "modification" to describe a factory option set, perhaps you should say, "Did the FCC mistakenly grant Part 95 type acceptance to the TK-805D, or is the type acceptance valid only after the radio has been modified to remove the factory option set?" Because according to the factory service manual, the TK-805D is delivered with the jumper in the FPP position. If moving the jumper constitutes a modification, the radio has FPP unless and until it is modified to remove that feature. I don't recall seeing a notice in the FCC ID lookup to the effect of such modification being a condition of its type acceptance.