Section 35 of the Principal Act is amended as follows:(a) by omitting subsection (1) and substituting the following subsection:(1) Within 10 weeks after being given a direction under section 33(6)(a) or section 34(2) or any longer period the Panel allows, the planning authority must prepare a draft amendment and, unless it is withdrawn pursuant to section 36 , submit it to the Panel.(b) by omitting subparagraph (i) from subsection (2)(b) and substituting the following subparagraph:(i) must alter it as the Panel considers necessary or expedient and then refer it to the Minister for approval for the draft amendment, as so altered, to be publicly exhibited; or