Section 19(1) of the Principal Act is amended as follows:(a) by omitting from paragraph (b) " section 8 (1) (j) , (k) , (l) and (m) " and substituting " section 8(1) " ;(b) by omitting paragraph (c) ;(c) by omitting from paragraph (g)(ii) "associations." and substituting "associations;" ;(d) by inserting the following paragraphs after paragraph (g) :(h) the defining of categories of the academic staff for any purpose specified in the Ordinance;(i) a determination that specified members or categories of members of the academic staff are taken not to be members of the academic staff for any industrial or other specified purpose.