With effect from 5 June 2021, 2359 hours (Singapore time), short-term visitors holding an Air Travel Pass (ATP) with 21-day travel history to Guangdong Province, Mainland China prior to their departure for Singapore, will not be allowed to enter Singapore.
All other travellers departing from Mainland China who have been in Mainland China (excluding Guangdong Province) in the last 21 days prior to travel will continue to be subject to a COVID-19 test upon arrival at the airport, in lieu of their SHN.
For more information on the conditions of the ATP, application requirements and process, go to https://safetravel.ica.gov.sg