It was created by the U.S. Congress to help implement the Foreign Missions Act of 1982, which provides the legal foundation for facilitating secure and efficient operations of U.S. missions abroad, and of foreign missions and international organizations in the U.S.; pursuant to the act, the OFM ensures all diplomatic benefits, privileges, and immunities are properly exercised in accordance with federal laws and international agreements.
Additionally, OFM assists foreign missions in dealing with local government offices in the United States.
OFM also provides a range of services to the foreign diplomatic community, including issuance of vehicle titles, vehicle registrations, driver's licenses, and license plates; processing of tax exemption and duty-free customs requests; and facilitation of property acquisitions through local zoning law procedures.
By assisting, advising, and regulating services for foreign diplomats, their dependents, and their staffs while residing in the United States.
Finally, OFM establishes and maintains relationships with U.S. law enforcement and security communities at the national, state, and local levels to educate them about diplomatic privilege and immunity issues.