law: 39. Power to order vessels not to come alongside of, or to be removed from docks, wharves, etc.-
  Any officer appointed by the Board in this behalf may, in cases of emergency or for any reason which appears to him sufficient, by notice in writing, order the master or owner or agent of any sea-going vessel not to bring such vessel alongside of, or to remove such vessel from, any dock, berth, wharf, quay, stage, jetty or pier belonging to or under the control of the Board, and, if such notice is not complied with 1[the Board may charge, by way of penalty, in respect of such vessel such sum as it thinks fit, not exceeding ten thousand rupees] for each day of twenty-four hours, or portion of such day, during which such vessel remains at such dock, berth, wharf, quay, stage, jetty or pier:
  Provided that in the case of a vessel ordered to be removed, such charge shall not commence to be made till after the expiry of twelve hours from the service of such notice as aforesaid on the master or owner or agent of the vessel.