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The executive branch-wide program to standardize CUI handling by all federal agencies. The program includes the rules, organization, and procedures for CUI, established by Executive Order 13556, 32 CFR Part 2002, and the CUI Registry.
NIST SP 800-171 Rev. 2 from 32 C.F.R., 2002
NIST SP 800-171 Rev. 1 [Superseded] from Title 32 CFR, Part 2002