No owner or operator of an aeroplane shall permit the taxiing of, and no person shall taxi, an aeroplane on the movement area of an aerodrome unless the person at the controls of the aeroplane—
(a) is the holder of a valid pilot licence; or
(b) has received instruction in the taxiing of an aeroplane from, and has been declared competent to taxi an aeroplane by, the holder of a flight instructor rating or, in the case of a foreign aeroplane, a person authorised by an appropriate authority; and
(c) if the person uses a radio apparatus, such person is authorised to use the radio apparatus; and
(d) is conversant with the aerodrome layout, routes, signs, markings, lighting, air traffic service signals and instructions, phraseology and procedures, if required, and is able to conform to the standards required for safe aeroplane movements at such aerodrome: Provided the aeroplane does not enter the manoeuvring area in a case where radio communication is mandatory.