(a) Any manufacturer, wholesaler, retailer, or other person required to maintain records of transactions under this subchapter shall obtain proper identification from the purchaser. 
(b) “Proper identification” means a motor vehicle operator's license or other official state-issued identification of the purchaser that contains a photograph of the purchaser, and includes: 
(1) The residential or mailing address of the purchaser, other than a post office box number; 
(2) The motor vehicle license number of any motor vehicle owned or operated by the purchaser; and 
(3) A letter of authorization from the business for which any substance specified in § 5-64-1001 is being furnished, that includes: 
(A) The business license number and address of the business; 
(B) A full description of how the substance is to be used; and 
(C) The signature of the purchaser. 
(c) The person selling, transferring, or otherwise furnishing any substance specified in § 5-64-1001 shall affix his or her signature as a witness to the signature and identification of the purchaser.
Structure Arkansas Code
Subtitle 6 - Offenses Against Public Health, Safety, or Welfare
Chapter 64 - Controlled Substances
Subchapter 10 - Records of Transactions
§ 5-64-1001. Recordkeeping required
§ 5-64-1002. Identification of purchaser
§ 5-64-1003. Inspection of records