law: The Inland Vessels Act, 2021
  13. Provisional certificate of survey and its effect.-
  (1) On receipt of application and the fee from the owner or operator of any mechanically propelled inland vessel, the surveyor who conducted the survey, may grant a provisional certificate of survey extending the validity of the prevailing certificate of survey by endorsement, in such form and for such period, as may be prescribed by the Central Government.
  (2) Any mechanically propelled inland vessel, which has been issued with a provisional certificate of survey or endorsement under sub-section (1), may proceed on voyage or use in service, temporarily, pending the issue of the certificate of survey, in such manner and subject to the conditions as may be prescribed by the State Government.