4 Where in any province a licence is, by the law of the province, required for the operation of a local bus undertaking, no person shall operate an extra-provincial bus undertaking in that province except under and in accordance with a licence issued under the authority of this Act.
5 The provincial authority in each province may, in its discretion, issue a licence to a person to operate an extra-provincial bus undertaking in the province on the like terms and conditions and in the like manner as if the extra-provincial bus undertaking were a local bus undertaking.