Just having another quick look at the rules as I said in the Lipo thread.
EB Rules State:
Manufacturers and Importers should note, that if a range/type of motor is to be retailed with a choice of armature design, then a sample of each armature design (up to a maximum of three) must be submitted. The design samples are required to accompany the motor when it is submitted for homologation. All variants homologated must be available for retail purchase.
Your argument is that a brushless motor has a rotor not an armature. Well a quick search of wikipedia shows that:
In electrical engineering, an armature is one of the two principal electrical components of an electro-mechanical machine--a motor or generator. The other is the field winding or field magnets.
So using a brushless motor as an example would mean the armature is the magnet, also known as the rotor, and the field winding is the wire/can which is the second principle component.
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