On May 3, the Central Epidemic Command Center (CECC) announced that beginning 00:00 am on May 4 (arrival time), R.O.C. nationals and non-R.O.C. nationals with an Alien Resident Certificate (ARC) who have traveled to India in the past 14 days (those who have transited in India included) would be required to stay at group quarantine facilities and undergo COVID-19 testing after arrival in Taiwan; R.O.C. nationals and ARC holders will be given another COVID-19 test before completing the quarantine period. After they test negative, they must continue to complete a 7-day self-health management. Furthermore, non-R.O.C. nationals without an ARC will be temporarily barred from entering Taiwan.