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A determination within the executive branch in accordance with directives issued pursuant to this order that a prospective recipient requires access to specific classified information in order to perform or assist in a lawful and authorized governmental function.
CNSSI 4009-2015 E.O. 13526
Decision made by an authorized holder of official information that a prospective recipient requires access to specific official information to carry out official duties.
CNSSI 4009-2015 under need-to-know determination