Each Member State or, where a Member State so provides, its competent authority shall ensure that the necessary measures are taken so that in the event of a disruption of the single largest gas infrastructure, the technical capacity of the remaining infrastructure, determined in accordance with the N – 1 formula as set out in point 2 of Annex II, is able, without prejudice to paragraph 2 of this Article, to satisfy total gas demand of the calculated area during a day of exceptionally high gas demand occurring with a statistical probability of once in 20 years.
Áiritheoidh gach Ballstát nó, i gcás ina bhforálfaidh Ballstát amhlaidh, a údarás inniúil go ndéanfar na bearta is gá ionas go mbeidh, i gcás suaitheadh sa bhonneagar aonair gáis is mó, an acmhainn theicniúil a chuid eile den bhonneagar, arna chinneadh i gcomhréir le foirmle N – 1 a leagtar amach i bpointe 2 d'Iarscríbhinn II, in ann, gan dochar do mhír 2 den Airteagal seo, an t-éileamh iomlán ar ghás sa limistéar arna ríomh a shásamh lá atá éileamh ard urghnách ar ghás ann a bhíonn ann uair sa 20 bliain de réir dochúlacht staitistiúil.