For reasons of legal certainty, it is appropriate for any adjustments to the existing fees to be based on the same principles as those applicable to the award of new rights of use.
Ar chúiseanna deimhneachta dlíthiúla, is iomchuí aon athruithe ar na táillí atá ann cheana a bheith bunaithe ar na prionsabail chéanna is infheidhme maidir le cearta úsáide nua a bhronnadh.