Code of Federal Regulations Title 5. Administrative Personnel § 5.1312.28 Transmission of classified material

(a) Transmittal of Top Secret material. The transmittal of Top Secret material shall be by personnel specifically designated by the EOP Security Officer, or by Department of State diplomatic pouch, by a messenger-courier system specifically created for that purpose. Alternatively, it shall be taken to the White House Situation Room for transmission over secure communications circuits.

(b) Transmittal of Secret material. The transmittal of Secret material shall be as follows:

(c) Transmittal of Confidential material. As identified in paragraphs (a) and (b) of this section, or transmit by U.S. Postal Service Certified, first class, or express mail service within and between the fifty States, the District of Columbia, and Puerto Rico.

(d) Transmittal between OMB offices and within the EOP complex. Classified material will normally be hand carried within and between offices in the Executive Office of the President complex by cleared OMB employees. Documents so carried must be protected by the appropriate cover sheet or outer envelope. Top Secret material will always be hand carried in this manner. Secret and Confidential material may be transmitted between offices in the EOP complex by preparing the material as indicated above (double envelope) and forwarding it by special messenger service provided by the messenger center. The messenger shall be advised that the material is classified. Receipts shall be obtained if Top Secret or Secret material is being transmitted outside of OMB. Classified material will never be transmitted in the Standard Messenger Envelope (SF Form 65), or by the Mail Stop system.