Actually Part NCO.GEN.115 applies (at least in the case of EASA aircraft.)
An aeroplane shall only be taxied on the movement area of an aerodrome if the person at the controls:
(a) is an appropriately qualified pilot; or
(b) has been designated by the operator and:
(1) is trained to taxi the aeroplane;
(2) is trained to use the radio telephone, if radio communications are required;
(3) has received instruction in respect of aerodrome layout, routes, signs, marking, lights, air traffic control (ATC) signals and instructions, phraseology and procedures; and
(4) is able to conform to the operational standards required for safe aeroplane movement at the aerodrome.