U.S. Government to Remove Border Vaccine Requirements as of May 12, 2023 Tuesday May 02, 2023 | Border & Customs, COVID-19 The U.S. Department of Homeland Security (DHS) announced it will be removing border vaccine requirements impacting all non-U.S. citizens entering the country as of May 12, 2023. AÂ statement from the DHSÂ confirmed the removal of the mandate stating the following: