Route replies to diplomatic notes through the Department of State.
Attach the original of the reply and one copy of the diplomatic note to an Optional
Form 41 (Routing and Transmittal Slip), or other transmittal notice, with the annotation,
“For transmission to the address shown.”
Address the routing material to:
Office of Policy Review and Interagency Liaison
Department of State
2201 C Street, N.W.
Washington, D.C. 20520
Do not route the reply through OIO.