(1) Whenever any plans have been submitted to the Head of the Physical Planning and Development Division on an application for permission to develop any land and such permission has been granted, the development in question shall be carried out in accordance with the approved plans and any conditions subject to which permission was granted.
(2) The Head of the Physical Planning and Development Division may approve any minor variation to an approved plan which does not alter or affect the terms and conditions of the permission granted by the Head of the Physical Planning and Development Division in any material respect, without requiring the applicant to submit a fresh application.
(3) If before or during the course of any development of land, the developer finds that it is impracticable or uneconomic to carry out the said development in conformity with the plans as approved by the Head of the Physical Planning and Development Division, he or she may apply to the Head of the Physical Planning and Development Division for permission to amend the plans accordingly and the Head of the Physical Planning and Development Division may grant or refuse permission for such amendment, or may return the plans to the developer for further amendment.
(4) If the Head of the Physical Planning and Development Division refuses permission to develop land in accordance with the amended plans as provided, in subsection (3), the Head of the Physical Planning and Development Division shall at the time of such refusal give to the applicant in writing its reasons for so refusing, in which case the provisions of section 26 shall apply as in the case of an original application to the Head of the Physical Planning and Development Division.