11.  (1) A warship or authorized ship or aircraft in the service of Bangladesh which encounters on the High Seas a foreign ship, other than a ship entitled to complete immunity, is justified in boarding it if there is reasonable ground for suspecting that the ship is engaged in piracy, slave trade, unauthorized broadcasting, or the ship is without nationality, or through flying a foreign flag or refusing to show its flag, the ship is, in reality, of the nationality of another State.

(2) In the cases provided for in sub-section (1), the warship or authorized ship or aircraft of Bangladesh, may send a boat or board under the command of an officer of Bangladesh Navy or Bangladesh Coast Guard to the suspected ship, and if necessary, proceed to a further examination on board the ship.