law: Indian Ports Act, 1908
  13. Fouling of Government moorings 
  (1) If any vessel hooks or gets foul of any of the buoys or
  
  moorings laid down by or by the authority of the 2[Government] in
  
  any such port, the master of such vessel shall not, nor shall any other person,
  
  except in case of emergency, lift the buoy or mooring for the purpose of
  
  unhooking or getting clear from the same without the assistance of the
  
  conservator.
  and the conservator, immediately on receiving notice of such
  
  accident, shall assist and superintend the clearing of such vessel;
  and the master of such vessel shall, upon demand, pay such
  
  reasonable expenses as may incurred in clearing the same.
  (2) Any master or other person offending against the provisions
  
  of this section shall, for every such offence, be punishable with fine which
  
  may extend to one hundred rupees.