What is Form 20B? Form 20B is a wholesale drug license that allows the sale of general allopathic (non-schedule) drugs to retailers, hospitals, and other wholesalers. It is not valid for direct sale to consumers, which requires a separate retail license (Form 20). If you also deal in scheduled prescription drugs, you must additionally obtain Form 21B. When Should You Apply for ... https://www.psrcompliance.com/blog/what-is-form-20b-drug-license