Title
Municipality of Payao, Zamboanga Sibugay vs. Municipality of Imelda, Zamboanga Sibugay
Case
G.R. No. 243167
Decision Date
Jun 28, 2021
Jurisdictional dispute over Barangay Guintolan between Payao and Imelda; SC ruled mandamus valid, Imelda entitled to supervisory authority under P.D. 1239.

Case Summary (G.R. No. 243167)

Factual and Procedural Antecedents

The municipalities of Payao and Imelda are local government units established under Presidential Decrees No. 1238 and No. 1239, respectively, issued in 1977. A territorial dispute arose concerning Barangay Guintolan, particularly related to its jurisdiction. Disputes over this barangay resulted in multiple judicial proceedings, initiating with a complaint from Payao regarding a resolution from the Sangguniang Panlalawigan of Zamboanga del Sur, which approved the transfer of Barangay Guintolan to Imelda.

Previous Court Proceedings

In 1987, the Sangguniang Panlalawigan issued resolutions supporting the transfer of Barangay Guintolan, prompting the Municipality of Payao to seek a Petition for Declaratory Relief against these resolutions. The Regional Trial Court (RTC) in Pagadian ruled against the transfer, stating only the Batasang Pambansa could alter municipal boundaries. Later attempts by Imelda to secure jurisdiction over the barangay through a Petition for Mandamus were initially dismissed by RTC-Pagadian.

Second Mandamus Case

Upon local government avenue exhaustion, Imelda filed another Petition for Mandamus in 2011, which was assigned to the RTC-Imelda. This petition contended that Barangay Guintolan rightfully lay under Imelda's jurisdiction, supported by certified copies of their charters and a DENR base map. Payao contested this, arguing that Mandamus was an inappropriate remedy asserting previous judgments in its favor.

RTC Decision

The RTC-Imelda ruled in favor of Imelda, establishing its rightful jurisdiction over Barangay Guintolan. The RTC found that P.D. Nos. 1238 and 1239 explicitly designated the barangay to Imelda and ordered Payao to cease exercising control. Payao's motion for reconsideration was denied, leading to an appeal.

Court of Appeals Rulings

The Court of Appeals affirmed the RTC decision, rejecting Payao's claims regarding the inappropriateness of mandamus and the application of res judicata. The court determined that the conditions for issuing mandamus were met, finding that prior decisions failed to address the underlying legal entitlements adequately.

Issues Presented

The primary legal issues were:

  1. Whether mandamus was an appropriate remedy for Imelda to claim jurisdiction over Barangay Guintolan.
  2. Whether the current petition was barred by res judicata due to previous judgments concerning the same subject matter.

Ruling on Mandamus

The Court clarified the nature of mandamus as it relates to two forms: compelling legal duties and remedying unlawful exclusions from rights or offices. The ruling emphasized that Imelda demonstrated an entitlement to the supervisory rights over Barangay Guintolan that had been unlawfully denied by Payao. The Court determined that Imelda's argument that there were no adequate legal remedies available aligned with requirements for mandamus, validating its recourse.

Res Judicata Analysis

The Court thoroughly analyzed the p

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