Loss of U.S. Citizenship (i.e. Expatriation)

Renunciation of U.S. citizenship is a serious and irrevocable act, which deserves your thoughtful consideration.

Legal Requirements

Review legal requirements and possible expatriating acts before beginning this process. It is imperative that you fully understand the nature of its consequences prior to requesting a Certificate of Loss of Nationality. For questions related to possible tax implications, please contact the Internal Revenue Service. For questions related to Social Security or other federal benefits, please contact London Federal Benefits Unit

Remember that expatriation can never be exercised by another person, including parents and/or legal guardians. If you wish to apply for a Certificate of Loss of Nationality you will be required to attend an appointment with a consular officer. At the time of your appointment the consular officer will interview you and, if necessary, administer the Oath of Renunciation and forward your application to the Department of State for review. This process may take several months to complete.


Non-refundable fee of $2,350 or equivalent in British pounds payable in cash or major credit/ debit card at the time of the appointment.

Request an Appointment

If you are ready to request a Loss of Nationality appointment at U.S. Embassy London please use our online form.

Appointments are scheduled on a first come, first served basis and the wait time to receive an appointment has increased significantly.  Please do not submit multiple online requests or send separate emails requesting updates for an appointment.  This will delay our response time.  Please do not submit any documentation until requested.

If you have a general enquiry regarding loss of U.S. citizenship, you may send an email to londonrenunciations@state.gov

To request an appointment at U.S. Consulate General Belfast please send an email to acsbelfast@state.gov

Loss of Nationality appointments are handled at U.S. Embassy London. Please refer to the information above under ‘Requesting an appointment at U.S. Embassy London’ for further details.