Section A: What is Renunciation of US Citizenship?
Renunciation of US citizenship is the voluntary and intentional act of formally giving up US nationality under Section 349(a)(5) of the Immigration and Nationality Act. It can only be completed outside the United States and requires a personal appearance before a US consular officer.
To be valid, renunciation needs to be carried out voluntarily, with full understanding of the consequences, and with the intention of relinquishing US citizenship. The process concludes with the individual taking an oath of renunciation.
Renunciation takes legal effect from the date the oath is taken, subject to approval by the US Department of State. Following approval, a Certificate of Loss of Nationality is issued as formal confirmation.
Section B: Step-by-Step Process to Renounce US Citizenship in the UK
If you are based in the UK, renunciation is completed through a US Embassy or Consulate. The process involves several stages, from initial preparation through to final approval.
1. Schedule a consular appointment
You need to book an appointment with a US consular post in the UK, typically the US Embassy in London or the US Consulate in Belfast. Appointment availability can vary and waiting times may extend to several weeks or months depending on demand.
2. Complete required documentation
Before your appointment, you are required to complete a set of prescribed forms. These usually include Form DS-4079, which gathers information about your citizenship status and intent. You should not sign any forms in advance, as they are executed in the presence of a consular officer.
3. Attend one or more consular appointments
Depending on the consulate, you may attend one or more appointments. During the interview, the consular officer will assess whether your decision is voluntary and informed. You will be asked questions about your understanding of the consequences of renunciation.
4. Take the oath of renunciation
If the consular officer is satisfied, you will sign the required forms and take the Oath of Renunciation. This is the formal legal act of giving up US citizenship.
5. State Department approval and CLN issuance
After the appointment, your case is forwarded to the US Department of State for review and approval. The Certificate of Loss of Nationality is issued after approval, often several weeks or months later. This document serves as formal proof that you are no longer a US citizen.
Section C: Cost of Renouncing US Citizenship from the UK
Effective April 13, 2026, the US Department of State is reducing the fee to renounce US citizenship from $2,350 to $450. This fee is non-refundable and remains subject to change, as such you are advised to confirm the prevailing fee at the time of making your application.
The fee is payable at the time of the consular appointment and is non-refundable, regardless of outcome. You should confirm the applicable fee at the time of booking, as government fees can change.
In addition to the official fee, individuals often incur professional costs for legal and tax advice, particularly where complex financial or compliance issues arise.
Section D: Required Documents for Renunciation
You will need to prepare and present supporting documentation as part of the process. Errors or omissions can delay your appointment or result in rescheduling.
- Proof of US citizenship, such as a valid or expired US passport or US birth certificate
- Evidence of any other nationality, where applicable
- Documentation confirming any legal name changes
- Completed but unsigned Form DS-4079
- Form DS-4080 (Oath of Renunciation), signed at the appointment
- Form DS-4081 (Statement of Understanding), signed at the appointment
Consular officers will review your documentation and may request further evidence. Evidence of another nationality is typically requested, as officers will assess whether you understand and accept the risk of becoming stateless.
Section E: How Long It Takes to Renounce US Citizenship in the UK
The overall timeline depends on both appointment availability and processing times after the interview.
Waiting times for appointments at US consular posts in the UK can extend to several weeks or months. Following the interview and oath, the application is reviewed by the US Department of State.
The Certificate of Loss of Nationality is usually issued several weeks or months after the appointment. Processing times can vary depending on caseload and administrative review.
Section F: Tax Consequences of Renouncing US Citizenship
Renouncing US citizenship does not end US tax obligations immediately. Individuals remain subject to US tax rules up to the date of expatriation and may face additional compliance requirements.
Under Internal Revenue Code Section 877A, individuals may be classified as “covered expatriates” depending on their net worth, average tax liability, and compliance history. Covered expatriates may be subject to an exit tax on certain assets.
You are required to certify compliance with US tax obligations for the five years preceding renunciation, typically through IRS Form 8854. Failure to meet these requirements can trigger adverse tax consequences.
Given the complexity and potential financial impact, coordinated advice from a US tax adviser is strongly recommended before proceeding.
Section G: Immigration Consequences After Renunciation
Renunciation permanently removes your status as a US citizen. You will no longer have the right to enter, live, or work in the United States without immigration permission.
Future travel to the US will be subject to US immigration law. Depending on your nationality, you may travel under the Visa Waiver Program if eligible, or you may need to apply for a visa such as a B-2 visitor visa.
Entry to the US is subject to admissibility requirements under US law. Even with a valid visa or ESTA, entry is determined at the port of entry by US border officials.
Renunciation also removes the ability to sponsor family members for US immigration benefits as a US citizen. However, it does not prevent you from being sponsored by a qualifying US citizen family member in the future.
Section H: Impact on Family Members
Renouncing US citizenship can have long-term implications for family members, particularly in relation to future immigration options.
US citizens can transmit citizenship to children born abroad if statutory residence requirements are met. Renouncing citizenship removes this ability for future children.
If citizenship has already been transmitted to a child, the parent’s later renunciation does not affect the child’s status.
Individuals generally need to be aged 18 or over to renounce US citizenship. A parent cannot renounce US citizenship on behalf of a minor child.
Section I: Other Legal and Practical Considerations
Renunciation is permanent and cannot be reversed except in very limited circumstances. The decision requires careful consideration of both legal and practical consequences.
Certain expatriations are reported in a quarterly list published in the Federal Register, although this does not represent a complete record of all individuals who renounce US citizenship.
Renunciation can simplify ongoing compliance obligations for some individuals, particularly those living permanently outside the United States. However, this needs to be weighed against the loss of rights and future immigration restrictions.
Need Assistance?
Renouncing US citizenship involves both immigration and tax considerations, and errors in the process can lead to delays or unintended consequences.
NNU Immigration advises individuals on the immigration aspects of renunciation, working alongside tax professionals where required. Contact us for tailored guidance on your circumstances.
Renouncing US Citizenship in the UK FAQs
How long does it take to renounce US citizenship in the UK?
The process can take several months. This includes waiting for an appointment and additional time for the Certificate of Loss of Nationality to be issued after approval.
Do you have to pay US tax after renouncing citizenship?
You remain subject to US tax obligations up to the date of expatriation and may have ongoing filing requirements, including Form 8854.
Can you reverse renunciation of US citizenship?
Renunciation is generally permanent and cannot be reversed, except in very limited circumstances.
Where can I renounce US citizenship from the UK?
You can complete the process at the US Embassy in London or the US Consulate in Belfast by appointment.
What is a covered expatriate?
A covered expatriate is an individual who meets certain financial or compliance thresholds under US tax law and may be subject to exit tax rules.
Glossary
| Term | Definition |
|---|---|
| Certificate of Loss of Nationality (CLN) | The formal document issued by the Department of State confirming that a person has lost US citizenship. |
| Covered Expatriate | A person who renounces US citizenship and meets the applicable net worth, tax liability or tax compliance test under US tax law. |
| Dual Citizenship | The status of being a citizen of two countries at the same time, subject to the laws and obligations of both. |
| Expatriation | The loss of US citizenship or, in some tax contexts, the ending of US status for certain long term residents. |
| Expatriation Tax | The tax that may apply to certain covered expatriates when they give up US citizenship or other qualifying US status. |
| FATCA | The Foreign Account Tax Compliance Act, which imposes reporting obligations connected to foreign financial accounts and assets. |
| FBAR | The Report of Foreign Bank and Financial Accounts, which may be required where a US person holds foreign financial accounts above the reporting threshold. |
| Form 8854 | The IRS form used to certify compliance with US federal tax obligations for the five years before expatriation and to determine whether covered expatriate rules apply. |
| INA 349(a)(5) | The provision of the Immigration and Nationality Act that governs formal renunciation of US citizenship before a US diplomatic or consular officer abroad. |
| Legal Capacity | The ability to understand the nature and consequences of renouncing US citizenship and to act voluntarily. |
| Net Worth Test | One of the covered expatriate tests, based on whether the individual’s net worth meets or exceeds the statutory threshold on the date of expatriation. |
| Oath of Renunciation | The formal oath taken before a US consular or diplomatic officer as part of the renunciation process. |
| Relinquishment | The loss of US citizenship through a qualifying expatriating act performed voluntarily and with the intention of giving up US nationality. |
| Renunciation Appointment | The consular process through which an individual appears before a US officer abroad to complete the formal steps for renouncing US citizenship. |
| Tax Liability Test | One of the covered expatriate tests, based on whether the individual’s average annual US income tax liability for the relevant period exceeds the applicable threshold. |
| Tax Compliance Test | One of the covered expatriate tests, based on whether the individual can certify full compliance with US federal tax obligations for the five years before expatriation. |
| Visa Waiver Program (VWP) | A program that allows eligible nationals of participating countries to travel to the United States for short visits without first obtaining a visa. |
Addiitonal Resources
| Resource | Description |
|---|---|
| US Department of State – Renunciation of US Nationality | Official guidance on the renunciation process, legal requirements and consular procedures. |
| US Department of State – Relinquishing US Nationality Abroad | Detailed explanation of how loss of nationality is assessed and processed by US consulates. |
| Federal Register – Renunciation Fee Reduction Rule | Final rule confirming the reduction in the renunciation fee from $2,350 to $450 effective April 13, 2026. |
| Internal Revenue Service – Expatriation Tax | Guidance on the tax treatment of individuals who give up US citizenship, including covered expatriate rules. |
| Internal Revenue Service – Form 8854 | Information on the form used to certify tax compliance and determine expatriation status. |
| Social Security Administration – Benefits for Non-Citizens | Overview of how Social Security benefits may apply to individuals who are no longer US citizens. |
This article is for general informational purposes only and does not constitute legal advice.
