Section 49 of the Principal Act is amended as follows:(a) by omitting from subsection (1) "Director of Gas" first occurring and substituting "Regulator" ;(b) by omitting from subsection (2) "relevant Director" and substituting "Regulator or the Director of Gas Safety" ;(c) by omitting from subsection (3) "relevant Director" first occurring and substituting "Regulator or the Director of Gas Safety" ;(d) by omitting from subsection (3)(a) "relevant Director" and substituting "Regulator or the Director of Gas Safety" ;(e) by omitting from subsection (3)(b) "relevant Director" and substituting "Regulator or the Director of Gas Safety" ;(f) by omitting from subsection (4) "relevant Director" and substituting "Regulator or the Director of Gas Safety" .