If you receive risk assessment notices (Hold, Do Not Load, Do Not Unload, etc.) you can contact the National Targeting Centre at Telephone: 1-855-NTC-1CNC (1-855-682-1262) (24 hours a day, 7 days a week), Overseas callers Telephone: 1-613-941-0004 (24 hours a day, 7 days a week) Email: nrac-aci@cbsa-asfc.gc.ca