Title
Mitsubishi Corp. - Manila Branch vs. Commissioner of Internal Revenue
Case
G.R. No. 175772
Decision Date
Jun 5, 2017
Mitsubishi sought a refund of income and branch profit remittance taxes erroneously paid for a Japan-funded power project, citing a tax assumption agreement under an executive Exchange of Notes. The Supreme Court ruled in favor, ordering the CIR to refund the taxes, as NPC assumed liability under the agreement.
taxes
erroneously collected
refund
A

Case Summary (G.R. No. 84401)

Petitioner’s Claim and Amounts

Petitioner paid P44,288,712.00 as income tax and P8,324,100.00 as branch profit remittance tax (BPRT) for the fiscal year ended March 31, 1998. On June 30, 2000 petitioner filed an administrative claim for refund totaling P52,612,812.00, and subsequently filed a petition with the Court of Tax Appeals (CTA) to suspend the prescriptive period.

Relevant Agreements and Contractual Undertakings

An Exchange of Notes (June 11, 1987) between Japan and the Philippines provided that the Philippine Government “will, itself or through its executing agencies or instrumentalities, assume all fiscal levies or taxes imposed in the Republic of the Philippines on Japanese firms and nationals operating as suppliers, contractors or consultants” in connection with income arising from loans for the Project. Loan Agreements PH-P76 and PH-P141 funded the Project’s foreign-currency portion. NPC (as executing agency) contracted on June 21, 1991 with Mitsubishi (head office in Japan) for engineering and supply; Article VIII(B)(1) of that contract specifically provided that NPC “shall … pay any and all forms of taxes which are directly imposable under the Contract including VAT.”

Procedural History in the CTA

  • CTA Division (Decision dated December 17, 2003): granted petitioner’s petition, finding the tax payments were erroneous because NPC had assumed the obligation; ordered CIR to refund the taxes. The Division declined to apply RMC No. 42-99 retroactively to deny petitioner relief.
  • CTA En Banc (Decision dated May 24, 2006; Resolution dated December 4, 2006): reversed the Division, ruling petitioner was not entitled to refund. The En Banc’s reasoning: (1) petitioner failed to prove the payments were “erroneous” under law; (2) the Exchange of Notes did not grant a tax exemption and, in any event, could not grant a treaty-like exemption without Senate concurrence (citing Article VII, Section 21 of the Constitution); and (3) RMC No. 42-99 (in effect when petitioner filed its administrative claim) required recovery from the executing agency (NPC), not the CIR. Petitioner then sought review before the Supreme Court.

Issues Presented to the Supreme Court

(1) Whether petitioner is entitled to a refund of the P52,612,812.00 representing income tax and BPRT; and (2) if so, from which government entity the refund should be claimed.

Statutory Framework Governing Refunds

Sections 204(C) and 229 of the National Internal Revenue Code (NIRC) vest authority in the Commissioner of Internal Revenue to credit or refund taxes “erroneously or illegally received” and require the filing of a claim for refund with the Commissioner as a condition precedent to judicial actions for recovery of internal revenue taxes.

Court’s Holding on Erroneous Collection and Entitlement to Refund

The Court held the petition was meritorious and reinstated the CTA Division decision ordering refund. It found that the taxes were erroneously collected because the Exchange of Notes, together with the NPC contract, established that the Philippine Government, through NPC, assumed the tax obligations applicable to Japanese contractors on the Project. Consequently, petitioner’s payments to the BIR were not payments it was required to make and therefore constituted erroneous collections under Sections 204 and 229 of the NIRC.

Legal Characterization of the Exchange of Notes

The Court treated an “exchange of notes” as an executive agreement (an international instrument binding at international law) that is effective without prior Senate concurrence. It relied on precedent characterizing exchanges of notes as routine executive agreements binding by executive action. The Exchange of Notes’ language—“assume all fiscal levies or taxes”—was interpreted to mean the Philippine Government undertook the obligation to pay the taxes (an assumption of liability), rather than to grant a tax exemption to the Japanese contractors.

Distinction Between Tax Assumption and Tax Exemption

The Court emphasized the legal distinction: “assumption” means taking on another’s obligation (liability remains but is shifted), whereas an “exemption” constitutes freedom from a duty or liability. Because the Exchange of Notes effectuated an assumption, not an exemption, the constitutional provisions limiting tax exemptions (and requiring legislative concurrence for treaties effecting exemptions) were not implicated.

Effect of Contractual Clause Between NPC and Mitsubishi

Article VIII(B)(1) of the Contract between NPC and Mitsubishi explicitly reflected the Exchange of Notes’ tax assumption by obligating NPC to pay “any and all forms of taxes … including VAT” directly imposable under the Contract. The Court found this contractual clause corroborative of the Government’s commitment to assume the taxes.

Administrative Issuances: RMC No. 42-99 and RMO No. 24-2005

The CIR had issued Revenue Memorandum Circular No. 42-99 (amending RMC No. 32-99) interpreting the Exchange of Notes to mean executing agencies must assume and pay the taxes and directing collection from executing agencies where appropriate; Item B(3) of RMC No. 42-99 required that cash refunds for previously paid taxes be recovered from executing agencies upon presentation of proof of payment by the contractors. The Court acknowledged that administrative interpretatio

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