FDA Guidance for Industry: Bar Code Label Requirements - Questions and Answers

https://www.gmp-navigator.com/files/guidemgr/UCM267392.pdf

Freedom of Information Staff, (HFI 35), Food and Drug Administration, Rm. 12 A - 30, 5600 Fishers Lane, Rockville, MD 20857, USA, http://www.fda.gov/cder/guidance