Consideration shall be given to evidence submitted on the proper allocation of costs, provided that it is shown that such allocations have been historically utilised.
Tabharfar aird ar fhianaise a cuireadh isteach maidir le leithdháileadh ceart na gcostas, ar choinníoll go léirítear gur úsáideadh leithdháilte den sórt sin go stairiúil.