10 CFR §1017.26
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
A document marked as containing UCNI must be destroyed, at a minimum, by using a cross-cut shredder that produces particles no larger than 1/4-inch wide and 2 inches long. Other comparable destruction methods may be used. Material containing or revealing UCNI must be destroyed according to agency directives.