And be it further enacted by the Authority aforesaid That no Person or Persons whatsoever shall at any time after the said Twenty fifth Day of March obliterate expunge cut out deface or anywise alter or change the Mark or Marks of any Boat or Boats Trainfat or Trainfats belonging to any other Person or Persons whereby to defraud or prejudice the right Owner or Owners thereof nor convert to his or their owne Use any Boat or Boats Trainfat or Trainfats belonging to any other Person or Persons without his or their Consent and Approbation nor remove nor take away any such Boat or Trainfat from the Place or Places where they shall be left by the Owner or Owners thereof except in Case of Necessity and alsoe upon giveing Notice thereof to the Admirall of the Harbour or Place where such Boat or Trainfat shall be left by the Owner or Owners to the end that the right Owners thereof may know what is become of them