The national aids provided for in paragraph 1 may be related to physical factors of production, such as hectares of agricultural land or heads of animal taking account of the relevant limits laid down in the common organisations of the market, as well as the historical production patterns of each farm, but must not:
Féadfaidh na cabhracha náisiúnta sin dá bhforáiltear i mír 1 a bheith bainteach le tosca fisiceacha, amhail heicteáir de thalamh talmhaíochta nó cinn ainmhithe a gcur san áireamh na dteorainneacha ábhartha atá leagtha síos i gcomheagraíochtaí an mhargaidh, mar aon le gréasáin stairiúla táirgeachta gach feirme, ach ní dhlífear: