1413. Duty to terminate restraint.

For the purposes of any proceedings before any court in the United Kingdom1, any restraint imposed on any person on board an aircraft2 must end when the aircraft first thereafter ceases to be in flight3 unless, before or as soon as is reasonably practicable after that time, the aircraft's commander4 causes the competent authorities of the country of landing to be notified that a person on board the aircraft is under restraint and of the reasons for that restraint