The Minister may, after considering a structure plan submitted (or resubmitted) to him, either approve it (in whole or in part and with or without modifications or reservations) or reject it.
In considering any such plan the Minister may take into account any matters which he thinks are relevant, whether or not they were taken into account in the plan as submitted to him.
Where on taking any such plan into consideration the Minister does not determine then to reject it, he shall, before determining whether or not to approve it,—
Without prejudice to subsection (3) above, on considering a structure plan the Minister may consult with, or consider the views of, any local planning authority or other persons, but shall not be under an obligation to consult with, or consider the views of, any other authority or persons or, except as provided by that subsection, to afford an opportunity for the making of any objections or other representations, or to cause any local inquiry or other hearing to be held.