(3)Where in respect of any land, a notification has been published under sub-section (1) of section 20A for its acquisition, but no declaration under sub-section (1) of this section has been published within a period of one year from the date of publication of that notification, the said notification shall cease to have any effect:Provided that in computing the said period of one year, the period during which any action or proceedings to be taken in pursuance of the notification issued under sub-section (1) of section 20A is stayed by an order of a court shall be excluded.