Title
Lone Congressional District of Benguet Province vs. Lepanto Consolidated Mining Co.
Case
G.R. No. 244063
Decision Date
Jun 21, 2022
Renewal of MPSA No. 001-90 contested over FPIC requirement; SC upheld arbitration ruling, protecting vested rights under original terms, rejecting retroactive IPRA application.
mineral production sharing agreement
mining companies
indigenous cultural communities

Case Summary (G.R. No. 244063)

Factual Background

The Republic, through the DENR, granted respondents MPSA No. 001‑90 on March 3, 1990 to conduct mining operations in Mankayan, Benguet. The MPSA covered lands that overlapped with ancestral domains of the Mankayan ICCs/IPs. Section 3.1 of the MPSA provided for an initial term of twenty‑five years renewable for another twenty‑five years “upon such terms and conditions as may be mutually agreed upon by the parties or as may be provided by law.” When respondents sought renewal in 2014, the MGB‑CAR advised endorsement to the NCIP for the required certification process under the IPRA, which includes the Free and Prior Informed and Written Consent (FPIC) of affected ICCs/IPs. Respondents resisted the endorsement, asserting that imposition of the FPIC and NCIP Certification Precondition impaired their vested contractual right to renew under the MPSA and the Mining Act.

Arbitration Proceedings and Final Award

Respondents invoked the MPSA arbitration clause and served a Demand for Arbitration on the Republic on February 18, 2015. The Arbitral Tribunal framed issues on arbitrability, scope of the arbitration agreement, and validity of imposing the FPIC and NCIP certification as a precondition to renewal. On November 27, 2015 the Tribunal issued a Final Award ruling that the dispute was arbitrable; that the FPIC and NCIP certification could not validly be imposed as a renewal precondition; and that respondents enjoyed a vested right to renewal under the MPSA, which should be renewed under the same terms and conditions. The Tribunal awarded respondents reimbursement of PHP 2,600,000 advanced on behalf of the Republic.

Petition to Vacate and RTC Ruling

The Republic filed a petition to vacate the Arbitral Award with RTC Branch 141, arguing that the IPRA and the FPIC/NCIP certification were matters of public policy and beyond the arbitral tribunal’s power. The RTC, in its May 6, 2016 Resolution, vacated the Award for having been rendered in excess of the Tribunal’s authority and in outward disregard of law and public policy, invoking Rule 19.10 of the Special ADR Rules and the rule that courts may set aside an award that contravenes public policy.

Court of Appeals Decision

The Court of Appeals reversed the RTC and reinstated the Arbitral Award in its April 30, 2018 Decision, and denied the Lone Congressional District of Benguet’s motion to intervene. The CA held that the dispute involved interpretation and enforceability of the MPSA renewal clause and thus fell squarely within the arbitration agreement. The CA emphasized arbitration autonomy, ruled that the Republic acted on behalf of government agencies including the NCIP, and found no basis to vacate the award because the trial court erred in revisiting the merits and correcting alleged errors of law or public policy.

Issues Presented on Review

The petitions presented two principal questions: whether the CA erred in denying the District of Benguet leave to intervene; and whether the Arbitral Award should be sustained or vacated, specifically whether the trial court acted in excess of jurisdiction by passing upon the validity of imposing the FPIC and NCIP certification as a condition for renewal and whether the Arbitral Tribunal exceeded its authority or violated public policy.

Parties’ Contentions

The Republic maintained that the FPIC and NCIP certification are mandatory public‑policy conditions under the IPRA, grounded in constitutional protections of indigenous rights, and that the arbitral tribunal’s exemption of respondents from these requirements violated public policy and exceeded its authority. Respondents relied on the autonomy of arbitration and argued that the MPSA’s renewal clause and the Mining Act secured them a vested right to renewal under the same terms, rendering the FPIC requirement inapplicable to their renewal.

The Court’s Analysis on Intervention

The Court held that the CA correctly denied the District of Benguet leave to intervene. The Court observed that intervention is not available in arbitration proceedings themselves and that the Special ADR Rules do not provide for intervention. The Rules of Court may not be invoked suppletorily to expand intervention in ADR proceedings that the Special ADR Rules do not cover. Further, the District failed to intervene in the underlying arbitration or in the RTC proceedings and sought intervention only at the CA after memoranda were filed, rendering the motion untimely and prejudicial to expedition of the case. The Court also noted that the State, through the Republic and MGB‑DENR, had the legal interest to represent the interests of the Mankayan ICCs/IPs.

The Court’s Analysis on Vacatur and Public Policy

The Court reaffirmed the general policy of non‑intervention in arbitral awards but emphasized that such autonomy is not absolute. It reiterated statutory grounds for vacatur under Section 24 of R.A. 876 and the additional public‑policy exception incorporated in the Special ADR Rules (Rule 19.10) and the IRR of R.A. 9285. The Court then analyzed whether the Arbitral Award’s exemption of respondents from the FPIC and NCIP certification precondition contravened a strong and compelling public policy protecting ICCs/IPs. The Court concluded that the exemption did not constitute a mere error of law but amounted to a manifest disregard of the IPRA’s certification precondition and of constitutional policies recognizing and protecting indigenous rights, as reflected in Art. II, Sec. 22 and Art. XII, Sec. 5 of the 1987 Constitution, and in the Mining Act provisions requiring consent for opening ancestral lands for mining.

The Court’s Findings on Vested Rights and Nature of MPSA

The Court rejected respondents’ claim of a vested right to unconditional renewal. It characterized an MPSA as a limited privilege or permit granted by the State that remains subject to the State’s police power and to laws enacted after its execution. The Court held that Section 3.1 of the MPSA expressly made renewal subject to terms “as may be provided by law,” thereby embracing subsequent enactments such as the IPRA. Section 56 of the IPRA protects property rights already existing during its effectivity but does not guarantee automatic renewal of a term that has expired, nor does it exempt renewals from statutory prerequisites such as FPIC and NCIP certification.

The Court’s Disposition and Relief

The Court granted G.R. No. 244216 and reversed and set aside the CA Decision and Resolution insofar as they affirmed the Arbitral Award. The Court vacated the Final Award dated November 27, 2015 as rendered in manifest disregard of the IPRA and a compelling public policy protecting ICCs/IPs. The vacatur was ordered without prejudice to respondents’ full compliance with the Free and Prior Informed and Written Consent (FPIC) of the Mankayan ICCs/IPs and securing the requisite NCIP Certification as a condition for renewal of MPSA No. 001‑90. The petition in G.R. No. 244063 of the Lone Co

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