it has an expiration date and can only be used in designated stores.

1. According to the query of the public comment website, the bill of lading has a valid period and needs to be used within the specified period. The bill of lading has a threshold for use and can only be used after spending a certain amount.

2. The bill of lading is limited in scope and can only be used in designated stores or channels. The number of bill of lading is limited, and each order can only use a certain number of bills of lading at most.