31 C.F.R. § 560.521 — Diplomatic pouches.
§ 560.521 Diplomatic pouches. The following transactions are authorized: (a) The importation into the United States from Iran, or the exportation from the United States to Iran, of diplomatic pouches and their contents; and (b) The exportation, reexportation, sale, or supply, directly or indirectly, from the United States or by a U.S. person, wherever located, of any goods or technology to a third-country government, or to its contractors or agents, for shipment to Iran via a diplomatic pouch. To the extent necessary, this section also authorizes the shipment of such goods or technology by the third-country government to Iran via a diplomatic pouch. Note to paragraph ( b ) of § 560.521: The exportation or reexportation of certain U.S.-origin goods or technology to a third-country government, or to its contractors or agents, may require authorization by the U.S. Department of Commerce under the Export Administration Regulations (15 CFR parts 730 through 774).