32 CFR § 2002.10 - The CUI Registry.
(a) The CUI EA maintains the CUI Registry, which:
(1) Is the authoritative central repository for all guidance, policy, instructions, and information on CUI (other than the Order and this part);
(2) Is publicly accessible;
(4) Includes citation(s) to laws, regulations, or Government-wide policies that form the basis for each category and subcategory.