1. Those who arrive and return from outside Harbin must hold a negative nucleic acid test certificate within 48 hours and pass by health code green code. All people who arrive and return to Kazakhstan outside Harbin must take the initiative to report their residence history to the community (village). 2. For those who fail to provide negative proof of nucleic acid test within 48 hours, the main import inspection shall be carried out on the ground. After nucleic acid sampling, there are no symptoms, and personal protection can be taken to enter the city. Before the nucleic acid test results come out, you should consciously do a good job in personal health monitoring, and do not meet, have dinner, gather or go to public places. 3, Harbin city, county (city) between the round-trip traffic, after the station, in and out of the city checkpoint, do not need to provide proof of nucleic acid testing. Since December 2, 2021, all people who have arrived in Kazakhstan from the provinces (autonomous regions and municipalities) where there are domestic local positive people and all those who have arrived in Kazakhstan from abroad shall report through the &”;Longjiang Health Code&”; before arriving in Kazakhstan.