Section 31.11 of Title 10 of the Code of Federal Regulations (10 CFR), establishes a general license authorizing any physician, clinical laboratory, veterinarian in the practice of veterinary medicine, or hospital to possess certain small quantities of byproduct material for in vitro clinical or laboratory test not involving the internal or external administration of the byproduct material or the radiation therefrom to human beings or animals. Possession of byproduct material under 10 CFR 31.11 is not authorized until the physician, clinical laboratory, veterinarian in the practice of veterinary medicine, or hospital has filed NRC Form 483 and received from the Commission a validated copy of NRC Form 483 with a registration number.
The latest form for NRC Form 483, Registration Certificate In-Vitro Testing with ByProduct Material Under General License, 10 CFR 31.11 expires 2021-04-30 and can be found here.