7(1)In section 69(2) of the principal Act—
(a)paragraph (a) is hereby repealed ;
(b)in paragraph (b) for the words " 33(1)(a) or (b)" there shall be substituted " 33(1) " ;
and in section 80(4) of that Act for " 33(1)(a) " there shall be substituted " 33(1) ".
(2)This paragraph shall be deemed to have come into force on 1st January 1973.