Effective June 30, 2021, International Civil Aviation Organization (ICAO) requires 100% of international air cargo to be either:

(1) Screened to a level intended to identify and/or detect the presence of concealed explosive devices which may be used to commit an act of unlawful interference before being transported in an aircraft.

(2) Under appropriate security controls throughout the cargo supply chain to prevent the introduction of concealed explosive devices.

This requirement applies to all international air cargo departing the United States.