1. If it is not your own brand, but someone else's brand, you need to prepare the product registration certificate and ask the brand to issue a brand authorization letter. Currently, Douyin stores only support level 2 authorization.

2. Brand authorization letter requirements: It is necessary to display the licensor, the licensee, the authorized brand, and the authorization period (the validity period must be at least more than half a year). If there are special requirements or no restrictions on the business scope, it needs to be marked.