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.

Case Summary (G.R. No. 160869)

Underlying Constitutional Provision and Jurisdictional Basis

Because the decision was rendered in 2008, the 1987 Constitution applies. Article IV, Section 5 declares dual allegiance inimical to the national interest and mandates that it “shall be dealt with by law.” This provision is non–self-executing, requiring implementing legislation before judicial enforcement.

Nature of the Petition and Relief Sought

Petitioner contends that Republic Act No. 9225 (Citizenship Retention and Reacquisition Act of 2003) violates Article IV, Section 5 by permitting dual allegiance. He asks the Court to prohibit the Secretary from implementing RA 9225’s retention and reacquisition scheme.

Summary of RA 9225 Provisions

– Section 2 declares state policy that Philippine citizens acquiring foreign citizenship “shall be deemed not to have lost” Philippine citizenship.
– Section 3 conditions reacquisition or retention upon taking an oath of allegiance to the Republic.
– Section 4 grants derivative citizenship to minor children of reacquiring citizens.
– Section 5 enumerates civil and political rights and liabilities, including requirements for voting, holding elective or appointive office, and professional practice.
– Sections 6–8 contain separability, repealing, and effectivity clauses.

Petitioner's Constitutional Challenge

Petitioner argues that by allowing retention of foreign citizenship under Section 2 and reacquisition by mere oath under Section 3, RA 9225 institutionalizes dual allegiance contrary to the Constitution’s explicit prohibition.

Solicitor General’s Defense of RA 9225

The Office of the Solicitor General asserts that Section 2 is merely declaratory of policy and does not itself establish dual allegiance. The oath in Section 3 is an “effective renunciation and repudiation” of foreign allegiance, culminating in a categorical affirmation of undivided loyalty to the Philippines.

Legislative History and Debates on Dual Allegiance

Congressional records show robust debate over dual allegiance. Representative Dilangalen warned that retention and reacquisition would yield two allegiances. Representative Locsin explained that requiring a final oath of allegiance transfers any dual allegiance issue to the foreign state, rather than recognizing it domestically.

Court’s Interpretation of Legislative Intent

The Court finds that RA 9225’s framers sought to restore Philippine citizenship to those naturalized abroad, not to endorse dual allegiance. By mandating an oath to Philippine sovereignty, the law implicitly demands renunciation of foreign allegiance, leaving any conflict to foreign jurisdictions.

Jurisdictional Limitations on Dual Allegiance Issues

Because Article IV, Section 5 is non–self-executing, Congress must first enact specific legislation defining and penalizing dual allegiance. Absent s

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