available methods complying with relevant internationally recognised rules or protocols including those that the European Committee for Standardisation (CEN) has accepted; or
na modhanna atá ar fáil a chomhlíonann rialacha nó prótacail ábhartha atá aitheanta go hidirnáisiúnta, lena n-áirítear iad sin atá glactha ag an gCoiste Eorpach um Chaighdeánú; nómodhanna ábhartha arna bhforbairt; nó