law: Chapter II
  Survey of Inland 3[Mechnically Propelled Vessels]
  3. Inland mechanically propelled vessel not to proceed on voyage or to be used for service without certificate of survey.-
  (1) An inland 3[mechanically propelled vessel] shall not proceed on any voyage, or be used for any service unless she has a certificate of survey in force 6[in the zone intended for for operation and applicable to such voyage or service in such zone].
  (2) Nothing in this section shall apply to any 3[mechanically propelled vessel] proceeding on a voyage during the interval between the time at which her certificate of survey expires and the time at which it is first practicable to have the certificate renewed:
  7[Explanation.-For the purpose of this sub-section, "zone" means any such inland water area as the State Government may, depending on the maximum significant wave height criteria, by notification in the Official Gazette, specify for the purpose of this Act.]