On August 15, 2019, US Department of Homeland Security announced that the United States and Canada had implemented its Agreement on Land, Rail, Marine, and Air Transport Preclearance between the Government of the United States of America and the Government of Canada (Preclearance Agreement). The Preclearance Agreement was signed by the US Secretary of Homeland Security and Canadian Minister of Public Safety and Emergency Preparedness on March 16, 2015, as part of the Beyond the Border Action Plan.