98. If the owner for the time being of any wall or building in respect of which an agreement has been executed in this behalf with the Authority fails-(a) to remove such wall or building, or any specified portion thereof, when so required by notice issued in that behalf,(b) within fifteen days from the receipt of such notice to authorise the Chairman, by permission in writing to remove the said wall, building or portion, he shall be punishable-(i) with fine which may extend, in the case of a masonry wall or building, to five hundred taka, and, in the case of a hut, to fifty taka; and(ii) with a further fine, in the case of a masonry wall or building, to twenty taka, and, in the case of a hut, to five taka, for each day after the first during which the failure continues.