(1) As soon as may be, after the regional plan, the master plan or the new town development plan has been submitted to the Government, but not later than such time as may be prescribed, the Government may direct the appropriate planning authority to make such modifications in the regional plan, the master plan or the new town development plan, as they think fit and thereupon the appropriate planning authority shall make such modifications and resubmit it to the Government.
(2) The Government shall, after the modifications, if any directed by them, have been made, give their consent to the appropriate planning authority to the publication of a notice under section 26 of the preparation of the regional plan, the master plan or the new town development plan.