According to Reuters, the move comes as the country bids to spur on more investment and tourism. The new rules were implemented on Thursday (17 March)
Prime minister Hun Sen reportedly said: "Now it’s the stage to open the economy by learning how to live with Covid."
Overseas arrivals still need to be fully vaccinated and those unable to show proof of vaccination will need to quarantine for 14 days after arrival.
"The Ministry of Health would like to urge all travellers that they should do rapid tests," health minister Mam Bunheng reportedly said in a statement.