Hotline,
I have a feeling that the reference of 525.18(A) or (B), should be 525.23(A) or (B). I would guess that the intent is to refer back to "itself", and then (C) covers any receptacle not covered by (A) and (B).
Frank,
It says that outlets..."shall be permitted...". So, the code allows us to put in a GFI if we are so inclined.
I would also consider the type of equipment. Notice (B) speaks specifically about cooking and refrigeration which doesn't lend itself to GFI.

G Feel I terrific,
Doc


The Watt Doctor
Altura Cogen
Channelview, TX