2After considering any such objections the Board may make an order in accordance with their original proposals or with those proposals as modified in such manner as appears to the Board expedient having regard to any objections lodged :
Provided that where it appears to the Board that, having regard to the nature of any modifications which they propose to make in their original proposals, opportunity should be given for the consideration thereof by persons concerned, the Board shall again give and serve notice under the foregoing paragraph, and this paragraph shall apply accordingly.