Schedule 2 to the Principal Act is amended as follows:(a) by omitting from the heading " BOARD " and substituting " AUTHORITY " ;(b) by omitting from clause 1 "Board" and substituting "Authority" ;(c) by omitting from clause 2(1) "Four" and substituting "Two" ;(d) by omitting from clause 2(1) "Board" and substituting "Authority" ;(e) by omitting from clause 2(2) "Board" twice occurring and substituting "Authority" ;(f) by omitting from clause 2(3) "Board" and substituting "Authority" ;(g) by omitting from clause 2(4) "Board" and substituting "Authority" ;(h) by omitting from clause 3(1) "Board" and substituting "Authority" ;(i) by omitting from clause 3(2) "Board" and substituting "Authority" ;(j) by omitting from clause 4 "Board" and substituting "Authority" ;(k) by omitting from clause 5(1) "Board" twice occurring and substituting "Authority" ;(l) by omitting from clause 5(2) "Board" first occurring and substituting "Authority" ;(m) by omitting from clause 5(2)(a) "Board" and substituting "Authority" ;(n) by omitting from clause 5(2)(b) "Board" and substituting "Authority" ;(o) by omitting "Board other than a meeting convened for the purposes of section 50 or a meeting of the disciplinary tribunal" from the definition of meeting in clause 6(1) and substituting "Authority" ;(p) by omitting from clause 6(3) "Board" and substituting "Authority" ;(q) by omitting from clause 6(4) "Board" first occurring and substituting "Authority" ;(r) by omitting from clause 6(4)(a) "Board" and substituting "Authority" ;(s) by omitting from clause 6(4)(b) "registered" ;(t) by omitting from clause 6(4)(c) "registered" ;(u) by omitting from clause 7(1) "Board" three times occurring and substituting "Authority" ;(v) by omitting from clause 7(2) "Board, except when it is acting as a disciplinary tribunal or under section 50," and substituting "Authority" ;(w) by omitting from clause 7(4) "Board" and substituting "Authority" ;(x) by omitting from clause 8 "Board" twice occurring and substituting "Authority" .