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.
Déanfar fianaise arna seoladh isteach maidir le leithdháileadh ceart na gcostas a chur san áireamh freisin, ar choinníoll go léirítear gur úsáideadh leithdháiltí den sórt sin go stairiúil.