[F1References under Article 15: powers of investigationN.I.
15B F2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
F2Arts. 15-17A omitted (6.2.2015) by virtue of Gas and Electricity Licence Modification and Appeals Regulations (Northern Ireland) 2015 (S.R. 2015/1), reg. 3(2) (with reg. 5)