(1) If the Executive approves the draft variation, the Executive shall submit it to the Minister.
(2) Within 14 days after receipt of the draft variation, the Minister may give a certificate in writing that, in the interests of the National Capital, it would be undesirable to approve the variation.
(3) If the Minister gives such a certificate within those 14 days, the Executive shall not proceed under section 79.
(4) If, at the end of those 14 days, the Minister has not given such a certificate, the Executive may proceed under section 79.