13. A holder of a provisional licence authorising the driving of vehicles of any class who also holds a permit by virtue of which he is at any time—
(a)treated, by virtue of regulation 55, as the holder, for the purposes of Article 3 of the Order, of a licence authorising the driving of vehicles of that class; or
(b)entitled, pursuant to Article 3(1) of the Motor Vehicles (International Circulation) Order (Northern Ireland) 1990(1), to drive motor vehicles of that class,
need not comply with regulation 12 at that time.
S.R. 1990 No. 190 as amended by S.R. 1991 No. 477