6E+WWhere the period specified in a notice published by the Minister or a local highway authority under paragraph 1 above is extended by a notice published under paragraph 5 above, paragraph 3 above shall apply as if the notice under paragraph 5 were a notice under paragraph 1, but the foregoing provision shall not be taken as requiring a copy of the proposed order or of any map or plan referred to in that order to be served on a person on whom it was previously served.