The call for contributions shall also contain a description of the methods for determining lump sums, flat-rate financing or unit costs, which shall be based on objective means such as statistical data, certified or auditable historical data of the European political parties or their usual cost accounting practices.
Beidh sa ghlao ar ranníocaíochtaí freisin tuairisc ar na modhanna chun cnapshuimeanna, maoiniú ar ráta comhréidh nó costais aonaid a chinneadh, agus beidh sé sin bunaithe ar mhodhanna oibiachtúla amhail sonraí staidrimh, sonraí stairiúil deimhnithe nó iniúchta na bpáirtithe polaitiúla Eorpacha nó a ngnáthchleachtais cuntasaíochta costála.