Title
Calilung vs. Datumanong
Case
G.R. No. 160869
Decision Date
May 11, 2007
Petitioner challenges RA 9225, alleging it permits unconstitutional dual allegiance. Court dismisses, ruling it allows dual citizenship, not allegiance, deferring to Congress for future legislation.
dual allegiance
citizenship
constitutionality
A

Case Summary (G.R. No. 144214)

Key Dates and Legislative Instrument

Challenged statute: Republic Act No. 9225, the “Citizenship Retention and Reacquisition Act of 2003,” signed August 29, 2003; effective after publication. Legislative record excerpts cited from the House Journal (August 26, 2003). Earlier law amended: Commonwealth Act No. 63 (1936).

Statutory Provisions at Issue (RA 9225 — Selected Sections)

Section 2 declares the policy that Philippine citizens who become citizens of another country “shall be deemed not to have lost their Philippine citizenship” under conditions of the Act. Section 3 provides that natural-born Filipinos who lost Philippine citizenship by naturalization abroad are deemed to have reacquired Philippine citizenship upon taking a specified oath of allegiance; it also provides that natural-born citizens who thereafter become foreign citizens shall retain Philippine citizenship upon taking the same oath. Section 4 extends derivative citizenship to certain minor children. Section 5 prescribes civil and political rights and attendant liabilities and conditions (including qualifications for voting, candidacy, appointment, and practice of profession). Sections 6–8 contain separability, repealing, and effectivity clauses.

Issues Presented

(1) Whether Republic Act No. 9225 is unconstitutional, specifically insofar as it allegedly permits dual allegiance in violation of Section 5, Article IV of the 1987 Constitution. (2) Whether the Supreme Court has jurisdiction to decide issues concerning dual allegiance in the absence of a legislative enactment detailing how dual allegiance shall be dealt with.

Petitioner’s Contentions

Petitioner contends RA 9225 “cheapens” Philippine citizenship by enabling dual allegiance rather than merely dual citizenship. He argues Sections 2 and 3 permit retention of Philippine citizenship concurrently with foreign citizenship, creating dual allegiance inimical to national interest under Section 5, Article IV of the 1987 Constitution. Petitioner points to Section 2’s broad declaration and Section 3’s oath-based reacquisition as evidence that foreign allegiance is not truly forfeited.

Respondent/OSG Contentions

The Office of the Solicitor General (representing the Department of Justice) argues Section 2 is a declaration of state policy that those who become citizens of another country “shall be deemed not to have lost” Philippine citizenship under the Act, and Section 3’s oath constitutes effective renunciation and repudiation of foreign citizenship. The OSG maintains the oath’s recognition of the Philippines’ supreme authority manifests an unmistakable affirmation of undivided loyalty to the Republic.

Legislative History and Congressional Intent

Congressional deliberations reflected debate over whether RA 9225 would create dual allegiance or only dual citizenship. Records show representatives acknowledged two distinct concerns: retention of foreign citizenship and reacquisition of Philippine citizenship. Advocates for the measure emphasized the introduction of an oath requirement to effect an affirmative renunciation or repudiation of foreign allegiance, framing the measure as a transfer of the dual allegiance problem to the foreign country rather than recognition by the Philippines of dual allegiance. The legislative intent, as reflected in the debates, was to remove Commonwealth Act No. 63’s automatic loss of Philippine citizenship upon foreign naturalization and to facilitate reacquisition or retention for natural-born Filipinos, not to recognize or endorse dual allegiance.

Court’s Analysis — Dual Citizenship Distinguished from Dual Allegiance

The Court examined the constitutional provision (Section 5, Article IV) that “Dual allegiance of citizens is inimical to the national interest and shall be dealt with by law,” and emphasized that this is a declaration of policy requiring legislative implementation. The Court concluded RA 9225 permits dual citizenship for natural-born Filipinos who had lost Philippine citizenship through foreign naturalization but that, on its face, it does not recognize dual allegiance. By requiring an oath by the reacquiring or retaining Filipino that recognizes the Philippines’ supreme authority, the statute implicitly requires repudiation of foreign allegiance; RA 9225 does not seek to resolve the status or consequences of the person’s other citizenship in the foreign jurisdiction.

Jurisdictional and Institutional Considerations; Role of the Legislature

The Court held the constitutional command that dual allegiance “shall be dealt with by law” is not self-executing, and that Congress retains the primary duty to define and legislate the parameters of dual allegiance. The Court declined to set those parameters itself, remarking that Mercado v. Manzano did not supply a legislative schema for dual allegiance but only distinguished dual citizenship from dual allegiance. The Court invoked separation of powers and judicial restraint principles, including the presumption that the legislature acts with awareness of the limits of its powers (citing Estrada v. Sandigan

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