The specific product they are promoting. The number of posts they will be making. The type of content and posts they will be creating. The specific hashtags they will be using. The specific days and times the post will be made. When and if the posts need to be preapproved and how much time before posting, this needs to be done. FTC the disclosures (see this explanation of what is required by the FTC) Content copyright ownership. Influencer compensation