Those specific technical requirements shall be such as to increase or at least maintain the level of environmental performance provided for by the Directives referred to in Article 76(1) and, where applicable, Article 77.
Beidh na ceanglais theicniúla shonracha de chineál a mhéadóidh leibhéal na feidhmíochta comhshaoil dá bhforáiltear sna Treoracha dá dtagraítear in Airteagal 76(1) agus, i gcás inarb infheidhme, in Airteagal 77, nó ar a laghad an leibhéal sin a choimeád.