Section 34 of the Principal Act is amended by inserting after subsection (2) the following subsections:(3) A planning authority may at any time determine to withdraw an amendment, of a planning scheme administered by it, that it has initiated of its own motion.(4) The withdrawal of an amendment of a planning scheme comes into effect 7 days after the date on which the planning authority determines to withdraw the amendment.(5) The planning authority is to (a) notify the Commission of the withdrawal of the amendment; and(b) give notice, in a daily newspaper circulating generally in the area, that the amendment has been withdrawn and of the date on which the withdrawal takes effect.