Transmission of classified material.

CFR · 2024-01-01 · US · Title 5

Prior to the transmission of classified material to offices outside OMB, such material will be enclosed in opaque inner and outer covers or envelopes. The inner cover will be sealed and marked with the classification, and the address of the sender and of the addressee. The receipt for the document, OMB Form 87, (not required for Confidential material) will be attached to or placed within the inner envelope to be signed by the recipient and returned to the sender. Receipts will identify the sender, the addressee, and the document, and will contain no classified information. The outer cover or envelope will be sealed and addressed with no identification of its contents. (a) (b) (1) Within and between the fifty States, the District of Columbia, and Puerto Rico: Use one of the authorized means for Top Secret material, or transmit by U.S. Postal Service express or registered mail. (2) Other Areas. Use the same means authorized for Top Secret, or transmit by U.S. registered mail through Military Postal Service facilities. (c) (d)

official document · source cfr-2024 · id 5:§ 1312.28