Each piece of hold baggage shall be protected against unauthorized access from the point it is accepted for carriage (including off-airport check-in) or screened,
whichever is earlier up until it is loaded into the aircraft hold. Security measures shall be implemented for storage, handling systems and loading to ensure prevention of unauthorized access, tampering or introduction of prohibited articles into the hold baggage. Screened hold baggage should be kept under surveillance at all times (CCTV, physical presence etc.)