If you hold, or have held, a U.S. security clearance the question of whether you can obtain—or keep—a second passport is not just a matter of personal convenience. Clearance regulations, citizenship law, and tax rules intersect in ways that many intelligence‑community professionals and frequent travelers overlook.
Security clearances and foreign passports
- Foreign influence / foreign preference – The Department of Defense treats any ties to a foreign country as a potential security risk. A passport from a nation that is an ally of the United States is generally viewed as low risk, whereas a passport from a country that is considered a geopolitical adversary (e.g., Iran, North Korea) raises red flags.
- Country of origin matters – When you apply for a clearance you must disclose every passport you hold, even if it is expired. The place where you were born is automatically recorded on the passport and is used to assess “foreign preference.”
- Recent policy shift – Updated DoD guidance now permits clearance holders to travel on a foreign passport when there is a clear, articulable reason (visa‑free access, reduced processing time, etc.). The key is to provide a written justification that the foreign document does not create a security risk.
Renouncing citizenship is not the same as discarding a passport
- Formal renunciation required – Simply shredding, burning, or letting a passport lapse does not terminate citizenship. Most countries, including the United States, require you to appear at an embassy or consulate, sign a renunciation oath, and file the appropriate tax forms (for U.S. citizens, Form 8854 and the final exit tax, if applicable).
- Affidavits are insufficient – Private statements or informal affidavits do not replace the official process. Without the embassy‑issued certificate of loss of nationality, the state will continue to consider you a citizen.
- Dual‑citizenship restrictions – Some jurisdictions automatically cancel a prior citizenship when you acquire a new one. If the original country does not permit dual nationality, you may lose that status without further action.
How citizenship is acquired
| Basis | Typical examples |
|---|---|
| Birthright (jus soli) | United States, Canada, Mexico, most American continents, Fiji, Pakistan – citizenship is granted automatically to anyone born on the territory, regardless of parental nationality. |
| Descent (jus sanguinis) | Many European, Asian, and African states – a child inherits citizenship if at least one parent is a citizen, even if the child is born abroad. |
| Registration | Former Soviet Union, Yugoslavia, and several Eastern‑European countries allowed parents to list children in the family passport; the child becomes a citizen by registration rather than by birth. |
| Naturalisation | Standard process of residence, language, and integration requirements; may be subject to dual‑citizenship rules. |
Practical steps to uncover every passport you may hold
- Map your birth location – Identify the country where you were born; most of them automatically confer citizenship.
- Trace parental origins – Record the birthplaces and citizenships of both parents; many nations grant citizenship to children of citizens regardless of where the child is born.
- Check historic registrations – If your family lived in a former state (e.g., Soviet Union, Yugoslavia) verify whether a parent registered you in a family passport.
- Review past naturalisations – Any prior naturalisation may still be valid unless you formally renounced it.
- Contact the relevant consulates – Request confirmation of citizenship status and the steps required for renunciation or passport renewal.
Tax considerations for U.S. citizens with multiple passports
- U.S. tax residency is citizenship‑based – Even if you live abroad for decades, you remain subject to U.S. tax filing obligations. The Foreign Earned Income Exclusion (FEIE) and Foreign Tax Credit can reduce or eliminate actual tax liability, but the filing requirement persists.
- Renunciation triggers exit tax – If you formally renounce U.S. citizenship, you may be subject to an “exit tax” on worldwide assets that exceed the exemption threshold (currently $ 2 million).
- Other countries – Most nations tax only residents. If you hold a foreign passport but do not reside there, you generally have no tax liability to that state, provided you have complied with any required filings (e.g., annual tax returns for citizens of countries with citizenship‑based taxation).
Bottom line
- Holding a second passport is permissible for clearance holders when you can justify its use and it does not create a security risk.
- To truly relinquish a citizenship you must follow the official embassy process; informal actions are ineffective.
- Citizenship is defined by birth, descent, or registration—not by the physical passport you carry. Consequently, you may be a citizen of one or more countries without possessing a current passport for each.
- Conduct a systematic review of your birth location, parental nationalities, and any historic registrations to identify all possible citizenships.
- For U.S. citizens, remember that tax obligations survive abroad; proper planning and, if desired, formal renunciation are the only ways to end those duties.
Understanding the legal distinction between citizenship and passport ownership lets you navigate clearance requirements, travel logistics, and tax responsibilities with confidence.





