Quick answer

Republic Act No. 9225 allows a natural-born Filipino who became a naturalized citizen of another country to retain or reacquire Philippine citizenship by filing the prescribed petition and personally taking an Oath of Allegiance to the Republic of the Philippines.

Apply through:

The Bureau of Immigration (BI) if you are in the Philippines; or
The Philippine embassy or consulate—formally called a Philippine Foreign Service Post—with jurisdiction over your residence if you are abroad.

Citizenship is restored or retained upon the valid administration of the oath after approval of the petition. Keep the resulting Order of Approval, Oath of Allegiance, and Identification Certificate or Certificate of Retention/Reacquisition: these are your principal proof of status.

RA 9225 does not automatically cover every former Filipino. It is limited principally to people who were natural-born Philippine citizens and lost or would otherwise lose that citizenship through naturalization abroad. It also does not guarantee that the other country will continue recognizing you as its citizen; that depends on that country’s law.

Retention and reacquisition: what is the difference?

The procedure is essentially the same, but the legal description depends on when foreign naturalization occurred:

Reacquisition generally applies when a natural-born Filipino became a naturalized foreign citizen before RA 9225 took effect on September 17, 2003 and thereby lost Philippine citizenship.
Retention generally applies when a natural-born Filipino became a citizen of another country after the law took effect. Upon taking the required oath, the person is treated as having retained Philippine citizenship.

In either situation, filing documents alone is not enough. The oath is the legally significant final act for retaining or reacquiring citizenship under the statute and its implementing rules.

Who qualifies?

You generally qualify if both of these are true:

You were a natural-born citizen of the Philippines; and
You became a naturalized citizen of a foreign country.

Under the Constitution, natural-born citizens are Philippine citizens from birth who did not have to perform an act to acquire or perfect Philippine citizenship. The Constitution also treats persons who elected Philippine citizenship under the relevant constitutional provision as natural-born.

Your eligibility must be established from the law and facts existing at your birth. Relevant facts commonly include:

Your date and place of birth;
Your parents’ citizenship when you were born;
Whether your parents were married, where that matters under the law then in force;
Any election of Philippine citizenship;
The date and legal basis of your foreign citizenship; and
Whether you previously renounced, lost, or reacquired Philippine citizenship through another process.

A former Philippine passport is useful evidence, but it does not by itself resolve every citizenship issue.

Who should use a different procedure?

RA 9225 may not be the correct route in the following situations:

Born abroad to a Filipino parent. If a parent was a Philippine citizen when you were born, you may already have been Filipino from birth. Depending on the records and applicable constitutional rule, the appropriate process may be a Report of Birth or recognition as a Filipino citizen—not reacquisition under RA 9225.
Not natural-born. A person who acquired Philippine citizenship through naturalization ordinarily cannot use RA 9225 merely because that citizenship was later lost.
Foreign citizenship acquired at birth rather than by naturalization. A person who has held Philippine and foreign citizenship from birth is not necessarily someone who lost Philippine citizenship and needs RA 9225.
Citizenship lost for another reason. Loss through an express renunciation, service in a foreign armed force, cancellation of naturalization, or another legal event requires a fact-specific analysis.
Former Filipino seeking only permanent residence. A returning former natural-born citizen who does not wish to reacquire citizenship may instead examine eligibility for a 13(g) immigrant visa.

If your birth record is missing, delayed, inconsistent, or shows a different name, settle the documentary issue before assuming that RA 9225 will cure it.

Can children acquire Philippine citizenship with the parent?

When a qualified parent reacquires Philippine citizenship, the parent’s unmarried child below 18 years old, whether legitimate, illegitimate, or adopted, may derive Philippine citizenship under Section 4 of RA 9225.

Prepare proof of:

The child’s birth and age;
The parent-child relationship;
The child’s unmarried status;
A valid adoption, if applicable; and
The parent’s approved RA 9225 petition and citizenship documents.

The age threshold is strict: the child must be below 18, not merely 18 or younger. An adult child does not derive citizenship under this provision. An adult may have an independent claim—for example, citizenship from birth through a Filipino parent—but that claim must be evaluated separately.

Foreign Service Posts commonly allow qualified minor dependents to be included in the parent’s petition. BI also has a separate procedure for the inclusion of qualified dependents. Confirm the precise filing method with the office handling the principal petition, especially if the child was not included initially.

Where and how to apply

If you are in the Philippines

BI’s published procedure identifies the BI Main Office as the filing location:

Obtain the current checklist and application form.
Submit the complete documents for pre-screening.
Take the Oath of Allegiance as directed.
Obtain the Order of Payment Slip and pay only through the authorized channel.
Monitor the application’s status.
If approved, claim the Certificate of Retention/Reacquisition, Order of Approval, and Oath of Allegiance.

Use BI’s current retention and reacquisition service page and official forms page before filing.

If you are abroad

Apply at the Philippine embassy or consulate that has jurisdiction over your place of residence. Administrative Order No. 91 expressly authorizes Foreign Service Posts to receive applications abroad.

Procedures vary by post. A post may require an appointment, online or mailed pre-assessment, and payment in local currency. Personal appearance is ordinarily required for identity verification and administration of the oath.

Use only the embassy or consulate’s official dfa.gov.ph website or contact details listed by the Department of Foreign Affairs. Requirements published by a post in another country may not apply to you.

Documents commonly required

The controlling checklist is the current one issued by the particular BI office or Foreign Service Post. Applicants commonly need:

A completed, signed petition or application form;
Recent photographs in the specified size and format;
A PSA-issued Certificate of Live Birth or, for a birth abroad, a PSA-issued Report of Birth;
A former or current Philippine passport, if available;
A foreign passport or other current government-issued identification;
The foreign certificate of naturalization or other official proof showing how and when foreign citizenship was acquired;
A marriage certificate or Report of Marriage if the applicant’s name or civil status changed;
Court orders, civil-registry records, or other documents explaining name, birth-date, or parentage discrepancies;
Birth certificates, passports, photographs, and relationship documents for derivative minor children;
Certified English translations of documents written in another language; and
Authentication or apostille when the receiving office requires it.

Bring originals and the number of photocopies specified by the filing office. Do not surrender an original civil-status or naturalization document permanently unless you receive an official acknowledgment and the office’s rules require it.

Requirements can differ because foreign documents, local civil-registration systems, and identity histories differ. An officer may lawfully request additional evidence to establish natural-born status, identity, naturalization abroad, or the relationship of a dependent.

The Oath of Allegiance

The oath required by Section 3 of RA 9225 includes commitments to:

Support and defend the Philippine Constitution;
Obey Philippine laws and lawful orders;
Recognize and accept the Philippines’ supreme authority; and
Maintain true faith and allegiance to the Republic.

Sign and take the oath only before an officer authorized to administer it. A privately notarized statement or an oath taken for another purpose is not a substitute for the RA 9225 process.

The Supreme Court has described the properly administered oath as the final act by which a qualified person reacquires natural-born Philippine citizenship. Approval documents nevertheless remain essential in practice because government offices need official proof that the petition was evaluated and granted.

Is foreign citizenship automatically lost?

Philippine law permits the resulting multiple citizenship, but the Philippines cannot determine whether another country will continue treating you as its citizen.

Before applying, check the law of your other country through its immigration or citizenship authority. Possible consequences may involve:

Automatic loss or required renunciation of that citizenship;
Restrictions on holding another passport;
Reporting obligations;
Public-service or security-clearance restrictions;
Military-service consequences; or
Tax and estate-planning implications.

The Philippine oath should not be described as a universal renunciation of foreign citizenship. For ordinary RA 9225 applicants, it restores or retains Philippine citizenship under Philippine law. A separate personal and sworn renunciation is required when a person covered by RA 9225 seeks elective public office in the Philippines.

What rights return?

Subject to the Constitution and applicable laws, a person who validly retains or reacquires Philippine citizenship may again exercise civil and political rights as a Filipino. These can include the ability to:

Apply for a Philippine passport;
Enter and remain in the Philippines as a citizen;
Own land within constitutional limits applicable to Filipino citizens;
Engage in businesses or professions reserved or regulated for Filipinos, subject to licensing and other requirements;
Register and vote if all election-law qualifications are met; and
Transmit Philippine citizenship to children born while the person is a Philippine citizen, subject to the Constitution and proper civil registration.

RA 9225 status does not itself issue a passport, register a birth, transfer property, grant a professional license, register a voter, or correct civil-registry records. Each requires its own application and supporting documents.

Special rules for voting and public office

Voting

Reacquisition does not automatically place a person on the voter list. The person must satisfy the Constitution and current election laws and complete the appropriate voter-registration process.

A person abroad should follow the rules for overseas voting. Residence and domicile questions can be fact-sensitive, particularly if the person later seeks public office.

Elective public office

A person covered by RA 9225 who seeks elective office must:

Possess every constitutional and statutory qualification for the position; and
At the time required by Section 5(2) of RA 9225, make a personal and sworn renunciation of any and all foreign citizenship before an authorized public officer.

The Oath of Allegiance used to reacquire citizenship is not a substitute for this separate renunciation.

The Supreme Court has also held that later conduct may contradict or undo the candidate’s renunciation. In Maquiling v. Commission on Elections, continued use of a foreign passport after the sworn renunciation was treated as a recantation of that renunciation. Candidates should obtain individualized election-law advice before filing a certificate of candidacy or using any foreign passport.

Appointive public office

Before assuming an appointive public office, a person covered by RA 9225 must:

Swear allegiance to the Republic; and
Renounce the oath of allegiance previously made to the foreign country.

RA 9225 states an exception for a person already holding public office when the Act was enacted. Other constitutional, civil-service, residency, conflict-of-interest, and qualification rules remain applicable.

Residency warning

RA 9225 provides that those who retain or reacquire Philippine citizenship but reside abroad do not satisfy a constitutional or statutory residency requirement for elective or appointive office merely because they are citizens. Residence for election law generally involves domicile and depends on actual conduct and intent, not citizenship papers alone.

Practising a regulated profession

Citizenship reacquisition does not revive an expired or surrendered professional license. A person wishing to practise a regulated profession must apply to the Professional Regulation Commission or other proper licensing authority and satisfy current requirements.

Profession-specific laws may impose education, examination, good-standing, continuing-education, registration, or reciprocity conditions.

Law practice is especially controlled. A lawyer who became a foreign citizen should not assume that an RA 9225 oath alone automatically authorizes a return to practice. Compliance with the Supreme Court’s rules and an appropriate court order may be required.

Tax and other legal obligations

RA 9225 subjects people who retain or reacquire citizenship to the same liabilities and responsibilities imposed on Philippine citizens, subject to Philippine law and applicable treaties.

Citizenship, residence, and tax residence are different concepts. Philippine income-tax treatment can depend on whether a citizen is resident or nonresident and on the source of income. Property ownership, estate planning, succession, business participation, foreign-account reporting, and treaty relief may also require separate analysis.

Do not rely on slogans such as “dual citizens pay tax twice” or “overseas Filipinos never owe Philippine tax.” Obtain advice based on your residence, income sources, property, and the tax treaty—if any—between the Philippines and the other country.

Fees and processing time

RA 9225 sets no general filing deadline for an eligible adult. However, delay can matter where a child is approaching 18, a passport is needed, a property transaction is pending, or an election or public appointment is involved.

BI’s current service page displays a total of ₱3,010 for the principal petition but expressly says its fee information was updated as of March 6, 2014 and may change without notice. BI’s page for later inclusion of a dependent similarly displays ₱1,760 with the same warning. Treat these figures only as the agency’s posted schedule, not a guaranteed current quote.

Embassy and consular fees differ by country and may be payable only by specified methods. Confirm the exact amount, accepted payment method, appointment system, and processing estimate directly with the filing office before traveling or sending documents.

No universal processing period is fixed by RA 9225. Timing depends on the post or BI office, document completeness, verification needs, and whether the records contain discrepancies.

After approval

Once you receive your documents:

Check every name, date, place of birth, and dependent’s detail immediately.
Request correction promptly if anything is wrong.
Keep the original Order of Approval, Oath of Allegiance, and Identification Certificate together.
Make secure paper and digital copies.
Apply separately for a Philippine passport if needed.
Register or update relevant civil-registry events that occurred abroad.
If you previously held an ACR I-Card or alien registration, ask BI whether cancellation or record updating is required.
Present your citizenship documents when dealing with passport, immigration, land-registration, banking, licensing, or election authorities.

When traveling, carry the travel document required by each country. Philippine authorities may require a Philippine passport or other acceptable proof of Philippine citizenship. Confirm current airline and immigration requirements before departure.

Evidence to preserve

Retain permanent copies of:

PSA birth and marriage records;
Earlier Philippine passports;
Foreign naturalization certificate and the record of its issuance date;
Foreign passports held before and after reacquisition;
The filed petition and dependent supplements;
Official receipts and appointment confirmations;
Order of Approval;
Signed Oath of Allegiance;
Identification Certificate or Certificate of Retention/Reacquisition;
Each child’s derivative-citizenship documents;
Correspondence concerning discrepancies or additional evidence; and
Proof of submission and release of original documents.

These records may later be needed for passports, a child’s citizenship, inheritance, property registration, voter registration, professional licensing, or proof of eligibility for public office.

Common mistakes to avoid

Assuming that being born in the Philippines automatically proves natural-born citizenship.
Using RA 9225 when the applicant was already a dual citizen from birth.
Treating an expired Philippine passport as conclusive proof of present citizenship.
Filing with a consulate that lacks jurisdiction over the applicant’s residence.
Relying on another post’s checklist or an unofficial social-media list.
Submitting inconsistent names or dates without supporting civil-registry or court records.
Omitting a naturalization certificate because a foreign passport is available.
Assuming a spouse automatically becomes Filipino.
Assuming an adult child derives citizenship from the parent’s petition.
Waiting until a child is nearly 18 before seeking derivative inclusion.
Believing that the RA 9225 oath alone qualifies a person to run for office.
Using a foreign passport after executing the separate renunciation required of an elective candidate.
Paying a fixer or an unofficial account.
Treating reacquisition as an automatic passport application.
Assuming foreign citizenship, benefits, or security clearance will be unaffected.

When legal help is urgent

Seek advice from a Philippine lawyer experienced in citizenship or election law before taking further action if:

You plan to file a certificate of candidacy or accept public office;
A child is close to turning 18;
BI, DFA, or a consulate questions whether you were natural-born;
Your parents’ citizenship or marital status at your birth is unclear;
Your birth was unregistered, late-registered, or recorded under another identity;
You previously made an express renunciation of Philippine citizenship;
Your Philippine naturalization was cancelled or questioned;
You served in a foreign military or government under an oath of allegiance;
You already used conflicting Philippine and foreign identity documents;
Your petition was denied or your certificate may contain a material error;
A land transfer, inheritance, deportation, or immigration deadline depends on your citizenship; or
Reacquisition could affect your other nationality.

For consequences under foreign law, consult that country’s citizenship authority or a lawyer qualified there.

Frequently asked questions

Do I need to live in the Philippines to apply?

No. A qualified applicant abroad may file through the Philippine embassy or consulate with jurisdiction over the applicant’s residence. Residence in the Philippines is not a general condition for reacquiring citizenship, although separate residency requirements apply to voting, public office, and some other rights.

Must I give up my foreign citizenship?

RA 9225 does not generally require an ordinary applicant to execute a separate renunciation of foreign citizenship. Whether the foreign citizenship survives is determined by the other country’s law. A separate sworn renunciation is required for a person seeking elective public office in the Philippines.

Does my foreign spouse become Filipino?

No. Citizenship does not pass to a spouse through the RA 9225 petition. The spouse must rely on an independently available immigration or citizenship route.

Can I include my 18-year-old child?

No. Derivative citizenship under Section 4 covers an unmarried child below 18. The child may still have an independent claim to Philippine citizenship from birth, depending on the parents’ citizenship and the law applicable when the child was born.

Is an adopted minor covered?

The statute includes an unmarried adopted child below 18, but the applicant must prove a legally valid adoption and comply with the filing office’s documentary requirements.

Do I become Filipino when I submit the application?

No. Submission starts the administrative process. For a qualified applicant, citizenship is retained or reacquired through the prescribed oath after approval—not merely by filing or paying a fee.

Will I receive a Philippine passport automatically?

No. Apply separately for a passport after receiving the citizenship documents. DFA may require the Order of Approval, Oath of Allegiance, Identification Certificate or equivalent BI certificate, identity documents, and applicable civil-registry records.

Can I own land after reacquiring citizenship?

A Philippine citizen may acquire land subject to constitutional and statutory restrictions. Reacquisition does not validate a defective past transaction or automatically transfer title. Corporate ownership limits and documentation rules also remain applicable.

Can I use both passports?

Possession and use of passports are governed by each country’s law and current travel rules. The use of a foreign passport is particularly sensitive after a prospective candidate has executed the separate sworn renunciation required for elective office.

Does RA 9225 have an application deadline?

The law prescribes no general deadline for an eligible adult. Practical deadlines may arise from a minor child’s age, travel, property transactions, voter registration, candidacy, or public appointment.

Official legal and procedural sources

This article provides general legal information, not advice for a particular citizenship, immigration, tax, property, or election matter. Procedures and fees can change, and outcomes depend on the applicant’s records and personal history. Official sources and procedures were checked as of September 4, 2026.