complying with sub-paragraph (1) of this paragraph if they are satisfied that compliance is unnecessary having regard --  (a) to the nature of the premises to which the order will relate when it comes into force; or (b) to the nature of the interests of the persons who have made objections which have not been withdrawn. (3) Where the order varies or revokes a previous order, the local authority may, in acting under this paragraph disregard any objection to the order which in their opinion amounts in substance to an objection which was made to the previous order. 4 (1) Subject to paragraph 5 below, an order shall come into operation on such date after it is made as may be specified in it. E+W+S (2) Except in the case of an order revoking an existing order or varying an existing order by excluding from it any specified class of premises, the date specified under sub-paragraph (1) above shall not be a date earlier than one month from the date on which the order is made. 5 If, before the date on which the order is to come into operation, the local authority -- E+W+S (a) passes a resolution postponing the coming into operation of the order; and (b) publishes a notice stating the effect of the resolution in the London Gazette and once at least in each of two successive weeks in a newspaper circulating in the area to which the order relates, the order shall, unless there is