Section 43B of the Principal Act is amended as follows:

(a) by omitting " section 38(a)(i) " and substituting " section 38(a) " ;

(b) by omitting "within 3 weeks from the date on which notice is given by the Commission or such longer period as the Commission may allow" and substituting "for a period, being not less than 3 weeks and not more than 2 months, determined by the planning authority" .