In case of application of Article 59, Member States may also, according to objective criteria, fix, within the regional ceiling or part of it, different per unit values of entitlements to be allocated to farmers referred to in Article 59(1), for hectares under grassland at the date provided for the area aid applications for 2003 and for any other eligible hectare or alternatively for hectares under permanent pasture at the date provided for the area aid applications for 2003 and for any other eligible hectare.