Member States shall not subject that exemption to any requirements or constraints other than those which are necessary in order to ensure the security of the website and the authenticity of the documents, and may impose such requirements or constraints only to the extent that they are proportionate in order to achieve those objectives.
Ní chuirfidh na Ballstáit an díolúine sin faoi réir aon cheanglas nó srianta seachas iad sin atá riachtanach d'fhonn slándáil an tsuímh gréasáin agus barántúlacht na ndoiciméad a áirithiú, agus ní fhéadfaidh siad na ceanglais nó na srianta sin a fhorchur ach a mhéid atá siad comhréireach d'fhonn na cuspóirí sin a bhaint amach.