8.60 Firearms-Unlawful Sale or Delivery Without Specific Authority (18 U.S.C. Sec. 922(b)(4)) is a federal law that prohibits any person from selling, delivering, or otherwise transferring a firearm to any person who is not authorized by law to purchase or possess a firearm. This includes any person who is not licensed under federal law to engage in the business of selling or dealing in firearms, as well as any individual who does not possess a valid state-issued license to purchase or possess a firearm. The two types of 8.60 Firearms-Unlawful Sale or Delivery Without Specific Authority (18 U.S.C. Sec. 922(b)(4)) are: 1. Selling, delivering, or otherwise transferring a firearm to any person who is not authorized by law to purchase or possess a firearm. 2. Selling, delivering, or otherwise transferring a firearm to any person who is not licensed under federal law to engage in the business of selling or dealing in firearms.