Department of Finance vs. Asia United Bank

Revenue regulations that modify statutory provisions by imposing uniform accounting methods and expense allocation requirements without express legislative authorization are void for being ultra vires, as administrative agencies possess only subordinate legislative power to fill in details, not to expand, supplant, or override the law they implement.

The Department of Finance issued Revenue Regulations No. 4-2011 on March 15, 2011, requiring banks and financial institutions to allocate costs and expenses between their Regular Banking Units (subject to 30% corporate income tax) and their Foreign Currency Deposit Units/Expanded Foreign Currency Deposit Units or Offshore Banking Units (enjoying tax exemptions or final tax regimes). The regulation mandated that common expenses be allocated based on the percentage share of gross income earnings of a unit to total gross income, effectively limiting the deductions available against taxable RBU income. Respondent banks, including Asia United Bank, BDO Unibank, and others, challenged the regulation before the Regional Trial Court of Makati, arguing that it lacked statutory basis and violated their rights under the Tax Code.

• The Assailed Regulation: Revenue Regulations No. 4-2011, issued by the Department of Finance on March 15, 2011, prescribed rules for allocating costs and expenses among income earnings of banks. It required that only costs attributable to Regular Banking Unit operations could be deducted from RBU taxable income, prohibiting deduction of costs related to Foreign Currency Deposit Unit/Expanded Foreign Currency Deposit Unit or Offshore Banking Unit operations. Common expenses were to be allocated based on the percentage share of gross income earnings of a unit to total gross income.
• Tax Treatment Distinction: Under the National Internal Revenue Code, RBU income is subject to 30% corporate income tax under Section 27(A), while FCDU/EFCDU/OBU income from foreign currency transactions with non-residents and other authorized entities is exempt from income tax under Section 28. Interest income from foreign currency loans to residents other than OBUs and FCDUs is subject to 10% final tax.
• Proceedings Below: Respondent banks, including Asia United Bank, BDO Unibank, Bank of America, and others, filed petitions for declaratory relief before the RTC of Makati, arguing that the regulation lacked statutory basis, violated their right to choose accounting methods under Section 43, improperly expanded Section 50, and denied due process. The RTC assumed jurisdiction and granted the petitions, finding the regulation ultra vires and unconstitutional.
• Intervention: During the proceedings, Development Bank of the Philippines, United Overseas Bank Philippines, Land Bank of the Philippines, Metropolitan Bank & Trust Company, UnionBank of the Philippines, and BDO Capital and Investment Corporation were allowed to intervene.

• Jurisdiction: Whether the Regional Trial Court had jurisdiction over petitions for declaratory relief assailing the validity of revenue regulations, or whether such jurisdiction lies exclusively with the Court of Tax Appeals.
• Validity of RR 4-2011: Whether Revenue Regulations No. 4-2011 is a valid administrative issuance or is void for being ultra vires.

• Jurisdiction: The Regional Trial Court lacked jurisdiction. Pursuant to settled jurisprudence in Banco de Oro v. Republic and St. Marys Academy of Caloocan City, Inc. v. Henares, the Court of Tax Appeals has exclusive jurisdiction to rule on the constitutionality and validity of revenue issuances by the Commissioner of Internal Revenue. The RTC's order declaring the regulation invalid is void.
• Validity of RR 4-2011: Notwithstanding the procedural infirmity, the Court resolved the merits to address the substantial public interest affecting the banking industry and tax administration. The regulation was declared void for being ultra vires.
• Contravention of Section 43: The regulation violated Section 43 of the Tax Code, which allows taxpayers to employ any accounting method that clearly reflects income. The Commissioner may prescribe a method only if the taxpayer has not employed one or if the existing method does not clearly reflect income. RR 4-2011 arbitrarily imposed a uniform allocation method without satisfying these statutory conditions, negating the taxpayer's right to self-determination of accounting methods.
• Expansion of Section 50: Section 50 authorizes the Commissioner to allocate income or deductions only between two or more organizations, trades, or businesses owned or controlled by the same interests (controlled taxpayers). The provision does not apply to different units or income streams within a single bank or financial institution. RR 4-2011 improperly expanded this provision by applying it to RBU and FCDU/EFCDU/OBU operations within single entities.
• Impairment of Section 34 Deductions: By requiring allocation of common expenses to tax-exempt or final-tax income streams, the regulation effectively modified Section 34(A)(1), which grants the right to deduct all ordinary and necessary expenses paid or incurred in carrying on trade or business. The regulation added an allocation requirement not found in the statute, thereby curtailing the deductions authorized by law.
• Due Process Violation: The regulation substantially increased the burden on banks by limiting deductible expenses and imposing penalties for non-compliance. Such substantial rule-making requires prior notice, hearing, and publication, which petitioners failed to observe.

• Ultra Vires Administrative Issuances — Administrative regulations must remain consistent with the law they implement and cannot override, supplant, or modify statutory provisions. When an administrative issuance expands the law or exceeds its intended scope, it becomes void for being ultra vires and unreasonable. The power to promulgate rules is limited to filling in details of broad legislative policies; it does not include the power to amend or repeal statutes.
• Completeness Test and Sufficient Standard Test — For valid delegation of legislative power to administrative agencies, the law must be complete in itself by setting forth the policy to be executed, and it must lay down a sufficient standard to map out the boundaries of the delegate's authority. Administrative issuances must be germane to the objectives of the law and conform to the standards prescribed thereby.
• Taxpayer's Right to Accounting Methods (Section 43) — Taxpayers have the right to employ any of the recognized accounting methods (cash, accrual, installment, percentage of completion, or other methods) provided the method clearly reflects income. The Commissioner may prescribe a method only if the taxpayer has not employed one, or if the method employed does not clearly reflect income. Absent such findings, the Commissioner cannot substitute judgment and impose a uniform accounting method.
• Controlled Taxpayer Allocation (Section 50) — The authority to allocate income and deductions applies only to transactions between or among two or more organizations, trades, or businesses owned or controlled by the same interests (controlled taxpayers) to prevent tax evasion or clearly reflect income. It does not apply to different units or income streams within a single taxpayer entity.

• "While taxes are the lifeblood of the government, the Department of Finance and Bureau of Internal Revenue will do well to bear in mind the boundaries of their power to make administrative issuances. Through this case, We reiterate that the Court will not hesitate to strike down invalid administrative issuances which unduly override the law to be implemented." — Opening statement emphasizing judicial oversight of administrative rule-making.
• "It is settled that administrative issuances must not override, supplant, or modify the law; they must remain consistent with the law they intend to carry out. When the application of an administrative issuance modifies existing laws or exceeds the intended scope, the issuance becomes void, not only for being ultra vires, but also for being unreasonable." — Statement of the fundamental principle limiting administrative power.
• "The CIR cannot simply substitute its own judgment and impose an accounting method on the taxpayer without any reasonable ground, in contravention of the taxpayer's right to use any accounting method of its choice." — Affirmation of taxpayer autonomy in accounting method selection under Section 43.
• "Section 50 of the Tax Code authorizes such allocation if the CIR determines that such allocation is necessary in order to prevent evasion of taxes or clearly reflect the income of controlled taxpayer's organization, trade, or business. There is no showing that RR 4-2011 was issued to prevent evasion of taxes nor to clearly reflect the income of controlled taxpayer's organization, trade, or business." — Limiting Section 50 to controlled taxpayers and specific statutory purposes.
• "Verily, revenue regulations cannot unduly curtail, and essentially amend, the tax reliefs unequivocally provided by the Tax Code to taxpayers." — Principle protecting statutory tax benefits from administrative restriction.

• Banco de Oro v. Republic, 793 Phil. 97 (2016) — Controlling precedent establishing that the Court of Tax Appeals has jurisdiction to rule on the constitutionality or validity of tax laws and regulations.
• St. Marys Academy of Caloocan City, Inc. v. Henares, G.R. No. 230138 (2021) — Followed; reiterated that the CTA, not the RTC, has jurisdiction over the constitutionality and validity of revenue issuances.
• COURAGE v. Commissioner of Internal Revenue, 835 Phil. 297 (2018) — Followed; affirmed CTA jurisdiction over validity of revenue regulations.
• Commissioner of Internal Revenue v. Seagate Technology (Philippines), 491 Phil. 317 (2005) — Cited for the principle that administrative issuances cannot amend the law they seek to implement.
• Filinvest Development Corp. v. CIR, 669 Phil. 323 (2011) — Cited for the interpretation of Section 50 as applying only to controlled taxpayers (two or more organizations/trades/businesses) to place them on tax parity with uncontrolled taxpayers.
• Gerochi v. Department of Energy, 554 Phil. 563 (2007) — Cited for the completeness test and sufficient standard test in delegated legislation.
• ABAKADA GURO Party List v. Purisima, 584 Phil. 246 (2008) — Cited for the definition of the completeness test and sufficient standard test.

• Section 43, National Internal Revenue Code of 1997 — General rule on accounting methods; allows taxpayers to employ methods that clearly reflect income, with the Commissioner authorized to prescribe a method only if none is employed or if the method does not clearly reflect income. The Court held that RR 4-2011 violated this by imposing a method without satisfying the statutory conditions.
• Section 50, National Internal Revenue Code of 1997 — Allocation of income and deductions; authorizes the Commissioner to distribute, apportion, or allocate gross income or deductions between two or more organizations, trades, or businesses owned or controlled by the same interests. The Court held that this applies only to controlled taxpayers (separate entities), not to units within a single bank.
• Section 34(A)(1), National Internal Revenue Code of 1997 — Deductions for ordinary and necessary expenses paid or incurred in carrying on trade or business. The Court held that RR 4-2011 effectively modified this by adding allocation requirements not found in the statute.
• Section 244, National Internal Revenue Code of 1997 — Authority of the Secretary of Finance to promulgate rules and regulations for the effective enforcement of the Tax Code. The Court held that this does not authorize the issuance of regulations that expand or modify the law.

Leonen (Chairperson), Carandang, Rosario, and Marquez, JJ.