22.—(1) This paragraph shall apply in the case of an aided pupil who is a day pupil at the school.
(2) Where an aided pupil’s walking distance between home and school exceeds 4.8 kilometres the school shall, in respect of each school year, pay a school travel grant to the parents of the pupil in relation to school travel expenditure incurred in respect of journeys between home and school in that year:
Provided that for the purposes hereof–
(a)where a pupil’s expenses are in respect of journeys in excess of 40.2 kilometres each way by such transport as is mentioned in paragraph 19, account shall be taken of only so much of the expenses as bears the same proportion to the full amount thereof as 40.2 kilometres bears to the length in kilometres of the journey in question measured with reference to the actual distance by the shortest available route between the pupil’s home and the school;
(b)where a pupil’s expenses are in respect of journeys by public transport and they are in excess of what they would have been if advantage had been taken of available arrangements for season tickets or reduced or concessionary fares, the excess shall be disregarded.