Section 55ZI of the Principal Act is amended as follows:(a) by omitting from subsection (1) "Authority" and substituting "Office" ;(b) by omitting from subsection (2) "Authority" first occurring and substituting "Office" ;(c) by omitting from subsection (2)(d) "Authority" and substituting "Office" ;(d) by omitting from subsection (3) "Authority" and substituting "Office" ;(e) by omitting from subsection (4) "Authority" and substituting "Office" .