Section 77 of the Principal Act is amended as follows:(a) by omitting from subsection (5) "Director" first occurring and substituting "Director of Gas Safety" ;(b) by omitting from subsection (6) "Director" first occurring and substituting "Director of Gas Safety" ;(c) by omitting from subsection (7) "Director" and substituting "Director of Gas Safety" ;(d) by omitting from subsection (8) "Director" and substituting "Director of Gas Safety" .