Commissioner of Internal Revenue vs. Philippine Airlines, Inc.

A domestic corporation holding a legislative franchise that allows it to pay either the basic corporate income tax or a franchise tax, whichever is lower, and declares the tax so paid to be “in lieu of all other taxes,” is exempt from the Minimum Corporate Income Tax under Section 27(E) of the National Internal Revenue Code, because the MCIT is not the “basic corporate income tax” referred to in the franchise but is a separate tax included in “all other taxes”; the exemption is operative upon the corporation’s exercise of its option, even if the option yields zero tax liability.

For the fiscal year ending 31 March 2000, Philippine Airlines (PAL) filed a tentative corporate income tax return reflecting zero taxable income and a claim for refund of creditable withholding tax. The Bureau of Internal Revenue examined PAL’s books and subsequently issued a deficiency MCIT assessment in the amount of ₱326,778,723.35. PAL protested on two grounds: (1) it is exempt from the MCIT under its charter, Presidential Decree No. 1590, and (2) the three‑year prescriptive period for assessment had lapsed. The CTA Second Division cancelled the assessment, ruling that under PD 1590 PAL is liable only for basic corporate income tax or franchise tax, whichever is lower, and that the MCIT is an “other tax” from which PAL is exempt. The CTA En Banc affirmed. The Commissioner of Internal Revenue elevated the matter to the Supreme Court.

• The Franchise: PAL is a domestic corporation operating under a legislative franchise, Presidential Decree No. 1590 (effective 11 June 1978). Section 13 of PD 1590 grants PAL, as consideration for the franchise, the privilege to pay the government whichever of the following will result in a lower tax: (a) the basic corporate income tax based on its annual net taxable income computed in accordance with the National Internal Revenue Code, or (b) a franchise tax of 2% of gross revenues from all sources. The tax paid under either alternative shall be “in lieu of all other taxes, duties, royalties, registration, license, and other fees and charges,” from any national or local authority, except real property tax. The franchise also authorizes PAL to depreciate assets at twice the normal rate and to carry over net losses as a deduction from taxable income for up to five years.

• The Return and Audit: For the fiscal year ending 31 March 2000, PAL filed a tentative corporate income tax return on 17 July 2000, showing zero taxable income and a creditable withholding tax of ₱524,957.00. On 16 July 2001 PAL filed a claim for refund of that creditable withholding tax. The BIR then issued a Letter of Authority to examine PAL’s books to evaluate the refund claim.

• The Assessment: After audit, the BIR Large Taxpayers Service initially computed a deficiency MCIT of ₱537,477,867.64. A Preliminary Assessment Notice issued on 22 September 2003 assessed deficiency MCIT and interest in the aggregate amount of ₱315,566,368.68. On 1 December 2003 a Formal Letter of Demand and Assessment Notice No. INC-FY-99-2000-000085 were issued, demanding payment of ₱326,778,723.35 in deficiency MCIT, inclusive of interest, for fiscal year ending 31 March 2000.

• Protest: PAL filed its formal written protest on 13 January 2004, asserting that it was not subject to the MCIT by virtue of PD 1590 and that the three-year prescriptive period for assessment had lapsed. The Commissioner failed to act on the protest, prompting PAL to seek judicial review.

• MCIT is an Income Tax Covered by the Option: Petitioner maintained that because PAL opted to be covered by the income tax provisions of the NIRC of 1997, it is also covered by the MCIT provision under Section 27(E) of the same Code, as MCIT is a category of income tax, not an “other tax.”

• MCIT Not an “Other Tax” under the Franchise: Petitioner argued that the MCIT does not fall within the “in lieu of all other taxes” clause of PD 1590 because it is an income tax imposed under the same Title II of the NIRC that PAL voluntarily chose.

• No Implied Amendment of the Franchise: Petitioner contended that the MCIT provision did not amend PAL’s charter; rather, PAL’s liability for MCIT is the consequence of its own exercise of the option to pay income tax under the NIRC.

• Legislative Intent to Share Tax Burden: Petitioner urged that the franchise gives PAL only the privilege to pay the lower tax, not to dispense entirely with its share of the tax burden; thus, PAL should pay MCIT when its basic corporate income tax is zero.

• Strict Construction of Tax Exemptions: Petitioner invoked the rule that tax exemptions are never presumed and must be strictly construed against the taxpayer, so PAL should be held liable for deficiency MCIT.

• MCIT is Not the Basic Corporate Income Tax: Respondent countered that the MCIT is distinct from the “basic corporate income tax” referred to in Section 13(a) of PD 1590, because the latter is based on annual net taxable income, while the MCIT is imposed on gross income. Hence, MCIT is among the “other taxes” from which PAL is exempt.

• Exemption Triggered by Exercise of Option, Not Payment: Respondent asserted that the franchise’s “in lieu of all other taxes” clause applies upon the exercise of the option, not upon actual payment of tax. PAL’s zero tax liability resulting from its net loss position does not remove its entitlement to the exemption.

• Special Law Prevails over General Law: Respondent argued that PD 1590, a special law, cannot be impliedly repealed or amended by the NIRC of 1997, a general law, and that the net loss carry-over provision in the franchise would be rendered meaningless if the MCIT were imposed.

• MCIT as “Other Taxes”: Whether the Minimum Corporate Income Tax under Section 27(E) of the NIRC of 1997 is properly categorized as “other taxes” from which PAL is exempt under Section 13 of PD 1590.

• Liability for Deficiency MCIT: Whether PAL is liable for the deficiency MCIT assessment of ₱326,778,723.35 for fiscal year ending 31 March 2000.

• MCIT as “Other Taxes”: The MCIT is not the “basic corporate income tax” to which Section 13(a) of PD 1590 refers. The basic corporate income tax under the franchise is the tax imposed by Section 27(A) of the NIRC on annual net taxable income, computed after allowable deductions and the special deductions (accelerated depreciation and net loss carry-over) expressly granted by PD 1590 itself. In contrast, the MCIT under Section 27(E) is imposed on gross income, as specially defined for MCIT purposes, and applies only when the MCIT is higher than the regular corporate income tax. The two taxes differ in rates, bases, and conditions of imposition. Because they are distinct, the MCIT is not within the “basic corporate income tax” option but is instead one of “all other taxes” from which PAL is exempt.

• Liability for Deficiency MCIT: PAL is not liable for the deficiency MCIT. Under the clear terms of its franchise, PAL is required to pay only the lower of the basic corporate income tax or the 2% franchise tax, and the tax so paid is “in lieu of all other taxes” except real property tax. PAL exercised its option to pay the basic corporate income tax, which resulted in zero liability because its deductions (including net loss carry-over) equalled its gross income. The exemption from all other taxes, including the MCIT, attaches by virtue of that exercise, regardless of whether any amount is actually paid. Requiring PAL to pay MCIT would add a third alternative and compel it to pay the higher tax, directly contradicting the franchise’s purpose of imposing the least tax burden possible as an inducement for public service. The Substitution Theory — that actual payment is necessary to enjoy the exemption — has been repeatedly rejected by the Court. Moreover, PD 1590 is a special law that prevails over the general provisions of the NIRC; the NIRC did not expressly repeal or amend PAL’s franchise, and any ambiguity is resolved in favor of the franchise grantee. The CTA En Banc thus correctly affirmed the cancellation of the assessment.

• Distinction Between Basic Corporate Income Tax and MCIT under PD 1590 — The “basic corporate income tax” referred to in Section 13(a) of PD 1590 is the regular corporate income tax under Section 27(A) of the NIRC, computed on annual net taxable income after allowable deductions. The MCIT under Section 27(E), imposed on gross income and paid only when it exceeds the regular tax, is a separate and distinct tax. PAL’s franchise subjects it only to the basic corporate income tax and does not extend to the MCIT.

• “In Lieu of All Other Taxes” Clause and the Exercise of Option — Under PD 1590, the tax paid by PAL under either the basic corporate income tax option or the franchise tax option is “in lieu of all other taxes,” except real property tax. This exemption is triggered by the exercise of the option, not by the actual payment of tax. Even when the exercise results in zero tax liability due to net losses, PAL remains exempt from all other taxes, including the MCIT. The Substitution Theory (that actual payment is a condition precedent for the exemption) is untenable.

• Special Law Prevails over General Law; No Implied Repeal — A special law (PD 1590, granting a specific franchise) prevails over a later general law (NIRC of 1997) on matters specifically covered. The later general statute does not impliedly repeal or amend the earlier special statute unless the repeal or modification is express and specific. Section 24 of PD 1590 itself requires any amendment to be made by a special law that specifically modifies or repeals the franchise.

• Tax Exemptions under Legislative Franchises — When a legislative franchise clearly and unambiguously grants a tax exemption, the exemption is construed in accordance with its plain terms. The rule of strict construction against the taxpayer does not operate to defeat the evident intent of the legislature to confer a benefit as an inducement for public service.

• “It is not the fact of tax payment that exempts it, but the exercise of its option.” — The Court reiterated this controlling principle from prior decisions, rejecting the Commissioner’s argument that PAL must actually pay a tax to enjoy the franchise’s “in lieu of all other taxes” clause.

• “The two [basic corporate income tax and MCIT] are distinct and separate taxes. … Not being covered by Section 13(a) of PD 1590, which makes PAL liable only for basic corporate income tax, then MCIT is included in ‘all other taxes’ from which PAL is exempted.” — This passage encapsulates the core ratio that the MCIT, though an income tax, is not the basic corporate income tax and thus falls within the exempt category under the franchise.

• “The rule is that on a specific matter, the special law shall prevail over the general law, which shall be resorted to only to supply deficiencies in the former. … [A] later statute, general in its terms and not expressly repealing a prior special statute, will ordinarily not affect the special provisions of such earlier statute.” — The Court applied this canon of statutory construction to uphold the primacy of PD 1590 over the NIRC with respect to PAL’s tax liabilities.

• Commissioner of Internal Revenue v. Philippine Airlines, Inc., 535 Phil. 95 (2006) — Distinguished the basic corporate income tax from other income taxes under the same franchise; held PAL exempt from income tax on passive income because it fell under “all other taxes.” Followed as controlling authority.

• Commissioner of Internal Revenue v. Philippine Airlines, Inc., G.R. No. 180066, 7 July 2009, 592 SCRA 237 — Directly held that PAL is exempt from the MCIT under PD 1590 and categorically rejected the Substitution Theory. The Court treated this as the settled precedent governing the present case.

• Commissioner of Internal Revenue v. Philippine Airlines, Inc., G.R. No. 180043, 14 July 2009, 592 SCRA 730 — Reiterated that the exemption is triggered by the exercise of the option, not by the fact of payment, and that a strict reading of “pay” would negate the rights conferred by the franchise.

• Section 13, Presidential Decree No. 1590 — Grants PAL the option to pay either the basic corporate income tax based on annual net taxable income or a 2% franchise tax, whichever is lower; declares the tax paid “in lieu of all other taxes” except real property tax; and authorizes accelerated depreciation and net loss carry-over. Interpreted as limiting PAL’s liability to the basic corporate income tax and excluding the MCIT.

• Section 27(A) and (E), National Internal Revenue Code of 1997, as amended — Section 27(A) imposes the regular corporate income tax (32% by 2000) on taxable income; Section 27(E) imposes a 2% MCIT on gross income when it exceeds the Section 27(A) tax. The Court distinguished these provisions to conclude that the franchise refers only to the Section 27(A) tax.

• Sections 31 and 32, National Internal Revenue Code of 1997 — Define “taxable income” (gross income less deductions) and “gross income.” These definitions reinforced the distinction between the bases of the basic corporate income tax and the MCIT.

• Republic Act No. 9337 (Expanded VAT Law), Section 22 — Abolished the franchise tax of certain public utilities, including PAL. The Court held this cannot be applied retroactively to the fiscal year 2000 assessment and is immaterial to the case.

Associate Justice Antonio T. Carpio (Chairperson), Associate Justice Mariano C. Del Castillo, Associate Justice Estela M. Perlas-Bernabe, Associate Justice Marvic Mario Victor F. Leonen (on official leave, per Special Order No. 1560). Chief Justice Ma. Lourdes P. A. Sereno certified the decision.

None.