U.S. Department of State — Office of Foreign Missions
Diplomatic Immunity & Foreign Missions
Under international law and U.S. federal statute, all accredited diplomats serving in the United States are protected by diplomatic immunity — ensuring the unimpeded conduct of official government-to-government relations.
180+
Foreign Missions in U.S.
100,000+
Accredited Diplomats
192
Vienna Convention Signatories
3
OFM Field Offices
Diplomatic Immunity is in full force for all accredited diplomats in the United States under the Vienna Convention on Diplomatic Relations (1961) and the Diplomatic Relations Act of 1978 (22 U.S.C. § 254a–254e).
Legal Framework
Diplomatic Immunity in the United States
Diplomatic immunity is a principle of international law codified in the 1961 Vienna Convention on Diplomatic Relations (VCDR) and the 1963 Vienna Convention on Consular Relations (VCCR). The United States is a signatory to both conventions and implements them through the Diplomatic Relations Act of 1978 (22 U.S.C. § 254a–254e).
Diplomatic immunity ensures that foreign diplomats and their families can perform their official duties without fear of coercion, harassment, or legal interference by the host country. It is not a personal privilege — it is a protection granted to the sending state to safeguard the integrity of diplomatic communications and negotiations.
The U.S. Department of State's Office of Foreign Missions (OFM) is the federal authority responsible for managing the privileges, immunities, and obligations of all foreign missions and their personnel operating in the United States. OFM issues official identification cards to all accredited diplomatic personnel and maintains the definitive registry of diplomatic status.
Legal Authority
- Legal Basis
- Vienna Convention on Diplomatic Relations (1961) · 22 U.S.C. § 254a–254e
- Admin Authority
- U.S. Department of State — Office of Foreign Missions (OFM)
- Enforcement Authority
- U.S. Department of Justice — Office of Special Investigations
Vienna Conventions
The Legal Foundation
Two landmark international treaties — negotiated under the United Nations — establish the global framework for diplomatic and consular immunity.
1961
Adopted
53 Articles
Articles
192 States
Signatories
1972
U.S. Ratification
Scope: Diplomatic missions (embassies), ambassadors, diplomatic agents, and their families
Key Articles
The premises of a diplomatic mission are inviolable. Host state agents may not enter without consent of the head of mission.
The diplomatic bag shall not be opened or detained. Diplomatic communications are inviolable.
The person of a diplomatic agent shall be inviolable. They shall not be liable to any form of arrest or detention.
A diplomatic agent shall enjoy immunity from criminal jurisdiction and, with limited exceptions, civil and administrative jurisdiction of the receiving state.
Members of the family of a diplomatic agent forming part of his household shall enjoy the same immunities as the diplomatic agent.
Immunity begins when the person enters the territory of the receiving state and ceases when they leave, or on expiry of a reasonable time after their functions end.
1963
Adopted
79 Articles
Articles
181 States
Signatories
1969
U.S. Ratification
Scope: Consular posts (consulates), consuls-general, consular officers, and consular employees
Key Articles
Consular premises are inviolable. Authorities of the receiving state shall not enter without consent of the head of consular post.
The receiving state shall permit and protect free communication of the consular post for all official purposes.
Consular officers shall not be liable to arrest or detention pending trial, except in the case of a grave crime.
Consular officers and consular employees shall not be amenable to the jurisdiction of the judicial or administrative authorities of the receiving state in respect of acts performed in the exercise of consular functions.
Immunity Classifications
Levels of Diplomatic Immunity
Not all diplomatic personnel hold the same level of immunity. The State Department classifies diplomatic status into distinct tiers, each with specific protections under U.S. law and the Vienna Conventions.
Full Diplomatic Immunity
Diplomatic (Blue)Ambassadors, Ministers, Diplomatic Agents (and their immediate families)
Complete — cannot be arrested, detained, or prosecuted
Complete — cannot be sued in U.S. courts (with narrow exceptions for private real estate, succession, and commercial activity outside official functions)
Complete
The highest level of protection under the VCDR. Ambassadors and diplomatic agents of foreign missions accredited to the U.S. government enjoy full immunity from U.S. criminal and civil jurisdiction. This immunity is absolute for criminal matters — no U.S. court may exercise jurisdiction regardless of the severity of the alleged offense. The sending state may waive immunity, but the diplomat cannot waive it personally.
Examples: Ambassadors, Deputy Chiefs of Mission, Counselors, First/Second/Third Secretaries, Attachés
Limited Diplomatic Immunity
Diplomatic (Blue)Administrative & Technical Staff (and their immediate families)
Complete — cannot be arrested, detained, or prosecuted
Limited — only for acts performed in the course of official duties
Complete
Administrative and technical staff of diplomatic missions — such as communications officers, IT staff, and administrative personnel — enjoy full criminal immunity but only functional civil immunity. Their family members share the same protections.
Examples: Administrative officers, Communications staff, IT personnel, Archivists
Consular Immunity
Consular (Green)Consular Officers and Consular Employees
Functional only — immune for official acts; may be arrested for grave crimes
Functional only — immune for acts performed in exercise of consular functions
Functional only
Consular officers at consulates (distinct from embassies) hold functional immunity — protection applies only to acts performed in their official capacity. They may be arrested or detained for grave crimes (felonies). Honorary consuls hold even more limited protections.
Examples: Consuls-General, Consuls, Vice Consuls, Consular Agents
International Organization Immunity
International Organization (Yellow)Officials of designated international organizations (UN, World Bank, IMF, OAS, etc.)
Functional — for official acts only
Functional — for official acts only
Functional only
Officials of international organizations headquartered in or operating in the United States hold immunity under the International Organizations Immunities Act (IOIA) of 1945 and specific headquarters agreements. The scope varies by organization and the individual's rank.
Examples: UN officials, World Bank staff, IMF officers, OAS representatives, NATO liaison officers
Service Staff Immunity
Diplomatic (Blue) — restrictedService staff of diplomatic missions (domestic workers, drivers, maintenance)
Functional only — for official acts
None for private acts
None for private acts
Service staff employed by diplomatic missions hold immunity only for acts performed in the course of their official duties. They are subject to U.S. civil and criminal jurisdiction for private acts. The State Department closely monitors labor conditions for domestic workers employed by diplomatic households.
Examples: Chauffeurs, Domestic workers, Maintenance staff, Mission security personnel
Office of Foreign Missions
Office of Foreign Missions (OFM)
The State Department's OFM is the sole federal authority for managing the benefits, privileges, immunities, and obligations of all foreign missions and their personnel in the United States.
OFM Facts
- Established
- 1982
- Authority
- 22 U.S.C. § 4301–4316 (Foreign Missions Act of 1982)
- HQ
- Washington, D.C.
Washington, D.C.
180+ missionsNational Capital Region — primary diplomatic hub, 180+ embassies
New York, NY
193 missionsUN Mission community — 193 UN member state missions to the United Nations
San Francisco, CA
60+ missionsWestern U.S. consular district — Pacific Rim consulates and trade missions
OFM Responsibilities
ID Card Issuance
OFM issues official U.S. government identification cards to all accredited diplomatic and consular personnel, their dependents, and international organization staff. These cards are the definitive proof of diplomatic status in the United States.
Privileges & Benefits
OFM administers tax exemptions, vehicle registration, driver's licensing, and other benefits for foreign missions and their personnel as required by treaty and federal law.
Mission Property
OFM reviews and approves the acquisition of property by foreign missions in the United States, ensuring reciprocal treatment for U.S. missions abroad.
Compliance Monitoring
OFM monitors foreign mission compliance with U.S. laws and regulations, investigates abuses of diplomatic status, and coordinates with the Department of Justice on criminal matters.
Persona Non Grata
When a diplomat abuses their immunity or engages in conduct incompatible with their status, the State Department may declare them persona non grata (PNG) — requiring the sending state to recall them within a specified period.
Waiver Coordination
OFM coordinates with sending states when the U.S. requests a waiver of immunity to allow prosecution of a diplomat who has committed a serious crime. Waivers are granted at the sole discretion of the sending state.
Immunity in Practice
How Diplomatic Immunity Works
A step-by-step guide to how diplomatic immunity is established, verified, and — when necessary — waived or terminated in the United States.
Accreditation
The sending state notifies the U.S. State Department of a diplomat's appointment. The diplomat presents credentials to the host government. OFM verifies the appointment and enters the diplomat in the official registry.
ID Card Issuance
OFM issues an official U.S. government identification card indicating the diplomat's name, mission, classification tier, and immunity level. Law enforcement agencies use this card to verify status.
Immunity Verification
When a diplomat is stopped by law enforcement, the officer contacts OFM's 24/7 duty officer to verify status. OFM confirms the individual's immunity level and advises on the appropriate course of action.
Incident Reporting
All incidents involving diplomatic personnel are reported to OFM. The State Department may issue a formal diplomatic note to the sending state's embassy requesting accountability, even when prosecution is not possible.
Waiver Request
For serious crimes, the State Department formally requests that the sending state waive the diplomat's immunity. The sending state has sole discretion to grant or deny the waiver. If granted, the diplomat is subject to U.S. jurisdiction.
PNG Declaration
If the sending state refuses to waive immunity or recall the diplomat, the U.S. may declare the individual persona non grata. The diplomat must leave the United States within the specified timeframe or lose their protected status.
Federal Statutes
U.S. Laws Governing Diplomatic Immunity
Federal statutes implement U.S. treaty obligations and establish the domestic legal framework for diplomatic immunity.
Diplomatic Relations Act of 1978
22 U.S.C. § 254a–254e
The primary U.S. statute implementing the Vienna Convention on Diplomatic Relations. Establishes the legal basis for diplomatic immunity in U.S. courts and defines the scope of protections for diplomatic agents and their families.
Foreign Missions Act of 1982
22 U.S.C. § 4301–4316
Establishes the Office of Foreign Missions and grants the Secretary of State authority to regulate the benefits, privileges, and obligations of foreign missions in the United States on a reciprocal basis.
International Organizations Immunities Act
22 U.S.C. § 288
Grants immunities and privileges to designated international organizations and their officers operating in the United States, including the United Nations, World Bank, and International Monetary Fund.
Hostage Taking Act
18 U.S.C. § 1203
Implements the International Convention Against the Taking of Hostages. Protects diplomatic personnel from hostage-taking and provides federal jurisdiction for prosecution of offenders.
Protection of Foreign Officials Act
18 U.S.C. § 112
Makes it a federal crime to assault, kidnap, or murder foreign officials, official guests, and internationally protected persons in the United States. Provides enhanced penalties for attacks on diplomatic personnel.
Diplomatic Security Act
22 U.S.C. § 4801–4865
Establishes the Diplomatic Security Service (DSS) within the State Department and authorizes protection of foreign dignitaries, diplomatic missions, and U.S. diplomatic personnel abroad.
Historical Timeline
Diplomatic Immunity Through History
Ancient Origins
Ancient Greek city-states recognized the inviolability of heralds and envoys. The concept that messengers between warring parties must not be harmed is one of the oldest principles of international relations.
Peace of Westphalia
The Peace of Westphalia establishes the modern state system and the principle of sovereign equality — the foundation upon which diplomatic immunity rests. Permanent diplomatic missions become standard practice.
First U.S. Diplomatic Protection Law
The U.S. Congress passes the Act for the Punishment of Certain Crimes Against the United States, including provisions protecting foreign ambassadors — one of the first federal laws protecting diplomatic personnel.
United Nations Charter
The UN Charter and the International Organizations Immunities Act extend diplomatic-style protections to international organization officials, creating a new category of protected persons.
Vienna Convention on Diplomatic Relations
The UN Conference on Diplomatic Intercourse and Immunities adopts the VCDR — the definitive codification of diplomatic immunity. 192 states have since ratified the convention.
Vienna Convention on Consular Relations
The VCCR establishes a separate, more limited immunity framework for consular officers — recognizing that consulates perform different functions than embassies.
U.S. Ratifies VCDR
The United States ratifies the Vienna Convention on Diplomatic Relations, making its provisions directly applicable in U.S. courts and superseding earlier domestic statutes.
Diplomatic Relations Act
Congress passes the Diplomatic Relations Act, comprehensively codifying U.S. obligations under the VCDR and establishing clear immunity tiers for different categories of diplomatic personnel.
Iran Hostage Crisis
Iran seizes the U.S. Embassy in Tehran and holds 52 American diplomats hostage for 444 days — the most egregious violation of diplomatic immunity in modern history. The ICJ rules unanimously that Iran violated the VCDR.
Foreign Missions Act & OFM Created
Congress establishes the Office of Foreign Missions within the State Department, creating a dedicated federal authority to manage foreign missions and enforce diplomatic obligations on a reciprocal basis.
Gueorgui Makharadze Case
A Georgian diplomat causes a fatal traffic accident in Washington D.C. Georgia waives immunity at U.S. request — a landmark case demonstrating the waiver process and prompting State Department reforms to immunity monitoring.
OFM Digital Registry Modernization
The State Department launches a modernized digital registry system for all accredited diplomatic personnel, enabling real-time verification of immunity status by federal, state, and local law enforcement agencies nationwide.
Explore More U.S. Government
Diplomatic immunity connects to the Executive Branch, federal agencies, and the judicial system.