Operators of the equipment listed in points (a) to (d) and (g) of Article 4(2) that is subject to paragraph 1 or 2 of this Article shall ensure that leakage detection systems are checked at least once every 12 months to ensure their proper functioning.
Áiritheoidh oibreoirí an trealaimh a liostaítear i bpointe (a) go pointe (d) agus i bpointe (g) d’Airteagal 4(2) atá faoi réir mhír 1 nó mhír 2 den Airteagal seo go seiceáiltear córais aimsithe sceite ar a laghad uair gach 12 mhí lena áirithiú go bhfeidhmíonn siad mar is ceart.