1, three days in advance, seven days at most, and submit the Alipay health code.
2. Call the community you want to go to before you leave and tell the community at the destination when you will arrive at the destination.
3. Do the nucleic acid test two days in advance, and also do the nucleic acid test on the day of departure. Immediately after getting off the highway, send two nucleic acid test reports to the community, as well as health codes and trip codes.