103. In article 4, for paragraph (a) substitute—
“(a)gas supplied through a natural gas system situated in Great Britain or any network connected to a natural gas system in Great Britain;
(aa)gas supplied through a natural gas system situated within Northern Ireland or the territory of a member State or any network connected to such a system; and”.
Commencement Information
I1Reg. 103 in force at 31.12.2020 by S.I. 2020/1641, reg. 2, Sch.