### Chinese: 根据通知，上述要求的时间范围为，从各省区市确定口岸城市范围并公告之日起，至2022年3月15日。
### English: According to the notice, the time range of the above requirements is from the date when each province, region and city determines the port city scope and announces it to March 15, 2022.
### Errors: There is a minor error at "requirements". There is a minor error at "region". There is a minor error at "city". There is a minor error at "s". There is a minor error at "port city scope". There is a minor error at "ounces it to March".

### Improved English: According to the notice, the time range of the aforementioned request is from the date when the province, autonomous region and city determine the scope of port cities and announce it until March 15, 2022.