If the compliance of the beneficiary’s usual cost accounting practices with the conditions set out in Article 181(4) has been established ex ante, the amounts of lump sums, unit costs or flat-rate financing determined by application of those practices shall not be challenged by ex post controls.
Má suíodh ar bhonn ex ante comhlíonadh ghnáthchleachtais chuntasaíochta costála an tairbhí de réir na gcoinníollacha dá leagtar amach in Airteagal 181(4), ní chuirfear in aghaidh mhéideanna na gcnapshuimeanna, na gcostas aonaid nó an mhaoiniúcháin ar ráta comhréidh a chinnfear trí chur i bhfeidhm na gcleachtas sin trí rialuithe ex post.