7Where the Minister proposes to make, of his own motion, a harbour revision order, he shall, before doing so—
(a)publish by Gazette and local advertisement and by such (if any) other means as he thinks fit a notice stating that he proposes to make the order, containing a concise summary of the provisions to be embodied in it, naming a place where a copy of the draft of the proposed order may be seen at all reasonable hours and stating that any person who desires to make to him objection to the proposal should do so in writing (stating the grounds of his objection) before the expiration of the period of forty-two days from the date (specifying it) of the first local advertisement;
(b)serve on the harbour authority and on such (if any) other persons as he thinks ought to have notice of the proposal a copy of the draft of the proposed order together with a notice stating that he proposes to make the order and that if the person served desires to make to the Minister objection to the proposal he should do so in writing (stating the grounds of his objection) before the expiration of the period of forty-two days from the date on which the notice is served on him.