10 CFR 74.19(a)(1), (b) and (c) (formerly
10 CFR 70.51(b)(1), (c) and (d)) requires, in part, that each licensee shall keep records showing the receipt, inventory (including location and unique identity), acquisition, transfer, and disposal of all
special nuclear material (
SNM) in its possession regardless of its origin or method of acquisition. In addition, each licensee that is authorized to possess
SNM in a quantity exceeding one effective kilogram at any one time shall establish, maintain, and follow written material control and accounting (
MC&A) procedures that are sufficient to enable the licensee to account for the
SNM in its possession; and each licensee who is authorized to possess
SNM, at any one time and site location, in a quantity greater than 350 grams of contained uranium-235,
uranium-233, or
plutonium, or any combination thereof, shall conduct a physical inventory of all
SNM in its possession under license at intervals not to exceed 12 months.
