On April 20, 2020, Chad Wolf, Acting Secretary of the Department of Homeland Security (DHS), announced that the previously announced travel restrictions on the Northern and Southern U.S. borders would be continued for another 30 days until May 20, 2020. In March, DHS had announced that due to the COVID-19 crisis, individuals attempting to enter the United States from Canada or Mexico for non-essential purposes would be turned back from land border crossings until April 20, 2020.