11. (1) A certificate of survey in respect of an inland ship shall cease to be in force- ¹[(a) upon the expiration of four years from the date of the certificate in case of dumb barges and other crafts which are not propelled but are towed and pushed by a propelled vessel, and one year from the date of certificate in case of all other inland ships; or] (b) upon the expiration of the period for which the hull, boilers, engines or other machinery or any of the equipments of the ship have been stated in the certificate to be sufficient; or (c) upon its cancellation or suspension under sub-section (4) of section 9. (2) The owner or master of an inland ship the certificate of survey of which is due to cease to be in force under clause (a) of sub-section (1) shall, within thirty days before the expiration of the period specified in that clause, inform the surveyor of the date of such expiration. ²[(3) The owner or master who fails to comply with the requirement of sub-section (2) shall pay a sum of taka one hundred for every day during which the failure continues along with the survey fee payable under section 6.]