10 C.F.R. § 1703.110
The Board may at any time be in possession of classified records and Unclassified Controlled Nuclear Information (UCNI) received from the Department of Energy or other federal agencies. The Board shall refer requests under § 1703.105 for such records or information to the Department of Energy or other originating agency without making an independent determination as to the releasability of such documents. The Board shall refer requests for classified records in a manner consistent with Executive Order 12356, "National Security Information," 3 CFR, 1982 Comp., p. 166, or any superseding Executive Order. The Board shall refer requests for UCNI in a manner consistent with 42 U.S.C. 2168 and the Department of Energy's implementing regulations in 10 CFR part 1017 or any successor regulations.
10 C.F.R. §1703.110