When several gas infrastructures are connected to a common upstream or downstream gas infrastructure and cannot be separately operated, they shall be considered as one single gas infrastructure.
Nuair atá roinnt bonneagar gáis nasctha le bonneagar gáis réamhtheachtach nó iartheachtach comhchoiteann agus nach féidir iad a oibriú ar leithligh ó chéile, measfar gur aon bhonneagar gáis amháin iad.