NARA CUI Registry
Also known as: CUI Registry
The NARA CUI Registry is the official, public list of every category and subcategory of information that qualifies as Controlled Unclassified Information across the federal government. It is the authoritative source for determining whether a given type of information is CUI.
Related terms
- Controlled Unclassified Information
Controlled Unclassified Information (CUI) is unclassified information that requires safeguarding or dissemination controls under law, regulation, or government-wide policy. It is explicitly marked CUI by the originating agency and triggers NIST SP 800-171 protections — and at the contractual level, CMMC Level 2.
- Executive Order 13556
Executive Order 13556, signed in November 2010, established the government-wide Controlled Unclassified Information (CUI) program and designated the National Archives (NARA) as Executive Agent. It is the legal origin of the entire CUI regime and, indirectly, of NIST SP 800-171 and CMMC.
- 32 CFR Part 2002
32 CFR Part 2002 is the National Archives final rule that implemented Executive Order 13556 across the federal government, defining how agencies designate, mark, safeguard, and disseminate CUI. It is the source of the marking requirements that distinguish CUI from FCI.