Member States may, by 1 August of each year, revise their estimated percentage with effect from the subsequent year.
Féadfaidh na Ballstáit athbhreithniú a dhéanamh ar an gcéatadán measta sin faoin 1 Lúnasa gach bliain, agus beidh éifeacht leis an athbhreithniú sin ón mbliain ina dhiaidh sin.