Commissioner of Internal Revenue vs. Bank of the Philippine Islands

The statutory right to assess and collect taxes prescribes when the government fails to issue a valid assessment within the period prescribed by law, and the government bears the burden of proving strict compliance with procedural requirements for waivers of the statute of limitations and the actual mailing and receipt of assessment notices; the doctrine of estoppel cannot be applied to extend the statutory period for assessment or validate procedurally defective waivers when the Bureau of Internal Revenue caused such defects.

Citytrust Banking Corporation (CBC) filed its Annual Income Tax Returns for taxable year 1986 on April 15, 1987. On March 7, 1991, the CIR issued a Pre-Assessment Notice (PAN) against CBC for deficiency income tax amounting to P19,202,589.97, followed by Assessment Notices on May 6, 1991. CBC filed administrative protests and subsequently applied for compromise settlement under RMO No. 45-93, offering various amounts between 1994 and 1995, which the CIR alternately approved and disapproved. On October 4, 1996, CBC merged with Bank of the Philippine Islands (BPI), with BPI as the surviving corporation. In 2011, the CIR issued a Notice of Denial and a Warrant of Distraint and/or Levy against BPI to collect the alleged deficiency tax plus increments.

• CBC filed its Annual Income Tax Returns for taxable year 1986 on April 15, 1987.
• CBC executed Waivers of the Statute of Limitations on August 11, 1989, July 12, 1990, and November 8, 1990.
• On March 7, 1991, the CIR issued a Pre-Assessment Notice (PAN) against CBC for deficiency income tax amounting to P19,202,589.97.
• On May 6, 1991, the CIR issued Assessment Notices demanding payment within thirty days from receipt.
• CBC's counsel filed protests against the assessments on May 27, 1991 and February 17, 1992.
• On February 5, 1992, the CIR issued a Letter requesting payment within ten days from receipt.
• On March 29, 1994, CBC applied for compromise settlement under RMO No. 45-93, offering P1,721,503.40 (twenty percent of the assessment).
• The CIR approved the compromise on October 12, 1994, then on March 28, 1995, but later disapproved the application after CBC requested reconsideration and offered lower amounts.
• On October 4, 1996, the Securities and Exchange Commission approved the merger between CBC and BPI, with BPI as the surviving corporation.
• On May 26, 2011 and July 28, 2011, the CIR issued Notices of Denial demanding full payment of P19,202,589.97 plus increments under Sections 248(A)(3) and 249(C)(3) of the 1997 NIRC.
• On September 21, 2011, the CIR issued a Warrant of Distraint and/or Levy against BPI.
• During hearings before the CTA, the CIR admitted that there was no proof that the February 5, 1992 letter was mailed or received by CBC.

• The CTA did not acquire jurisdiction over the case because BPI failed to contest the assessments within the thirty-day period prescribed by Section 229 of the NIRC, rendering the assessments final and unappealable.
• By the principle of estoppel, BPI is barred from raising the defense of prescription against the government's collection efforts, having participated in compromise negotiations and executed waivers of the statute of limitations.
• BPI is estopped from questioning the validity of the waivers it voluntarily signed in favor of the government.
• The February 5, 1992 letter constituted the final decision of the CIR on the disputed assessment, and BPI failed to appeal this to the CTA within thirty days.
• The assessment was valid and the right to assess had not prescribed because the waivers validly extended the prescriptive period.

• The assessment is not yet final and executory, and the CTA has jurisdiction under Section 7 of Republic Act No. 9282 over matters involving the cancellation of warrants of distraint and/or levy.
• The right to assess deficiency income tax for taxable year 1986 had already prescribed under the 1977 Tax Code, as the assessment notices were issued beyond the three-year prescriptive period.
• The Waivers of Statute of Limitations were invalid because they were not executed in accordance with the proper form prescribed by RMO No. 20-90.
• The right to collect the alleged deficiency tax had also prescribed under Section 223(c) of the 1977 Tax Code.
• The CIR failed to prove that the assessment notices and the February 5, 1992 letter were actually mailed and received by the taxpayer.
• BPI is not liable for the alleged deficiency income tax and increments.

• Procedural Issues:
  • Whether the CTA has jurisdiction over a petition for cancellation of a warrant of distraint and/or levy where the taxpayer allegedly failed to file a protest within thirty days from receipt of the assessment notices.
• Substantive Issues:
  • Whether the right to assess deficiency income tax for taxable year 1986 has prescribed.
  • Whether the waivers of the statute of limitations executed by CBC were valid and effective to extend the prescriptive period.
  • Whether the CIR proved the mailing and receipt of the assessment notices by the taxpayer.
  • Whether the doctrine of estoppel applies to prevent the taxpayer from raising the defense of prescription.
  • Whether the right to collect the deficiency tax has prescribed.

• Procedural:
  • The CTA has jurisdiction under Section 7 of Republic Act No. 9282, which grants it authority over "other matters arising under the National Internal Revenue Code," including the cancellation of warrants of distraint and/or levy. The CTA's jurisdiction is not limited to cases involving decisions on assessments or refunds but extends to ancillary matters such as the validity of collection remedies.
• Substantive:
  • The right to assess has prescribed. Under Section 203 of the 1977 Tax Code, the CIR must assess within three years from the date the return was filed (April 15, 1987) or from the last day prescribed by law for filing, whichever is later. The Assessment Notices issued on May 6, 1991 were clearly beyond the three-year period ending April 15, 1990.
  • The waivers of the statute of limitations were invalid. The waivers executed on July 12, 1990 and November 8, 1990 did not comply with the proper form and procedure prescribed by RMO No. 20-90. Being a derogation of the taxpayer's right to security against prolonged investigations, waivers must be carefully and strictly construed.
  • The CIR failed to prove receipt of the assessment notices. While a mailed letter is presumed received, this is merely a disputable presumption. When the taxpayer denies receipt, the burden shifts to the CIR to prove actual mailing and receipt. The CIR expressly admitted there was no proof that the February 5, 1992 letter was mailed or received.
  • The doctrine of estoppel does not apply. The CIR cannot invoke estoppel to compensate for its failure to follow proper procedure or to cure defects in the waivers which the BIR itself caused. Estoppel cannot give validity to an act that is prohibited by law or against public policy.
  • The right to collect has prescribed. Under Section 223(c) of the 1977 Tax Code, the government has three years from the date of assessment to collect. Whether reckoned from May 6, 1991 or February 5, 1992, the issuance of the Warrant of Distraint and/or Levy on September 21, 2011 was clearly beyond the three-year period.

• Nava v. Commissioner of Internal Revenue — The release, mailing, or sending of assessment notices must be clearly and satisfactorily proved; mere notations made without the taxpayer's intervention, notice, or control, without adequate supporting evidence, cannot suffice, otherwise the taxpayer would be at the mercy of revenue offices without adequate protection.
• Commissioner of Internal Revenue v. Kudos Metal Corporation — The doctrine of estoppel cannot be applied as an exception to the statute of limitations on the assessment of taxes when there is a detailed procedure for the proper execution of waivers that the BIR must strictly follow; estoppel cannot give validity to an act that is prohibited by law or one that is against public policy.
• Republic v. Court of Appeals — While a mailed letter is deemed received in the ordinary course of mail, this is merely a disputable presumption subject to controversion; a direct denial of receipt shifts the burden upon the party favored by the presumption to prove that the mailed letter was indeed received.
• Ang Tibay v. Court of Industrial Relations — The cardinal principle in administrative investigations that taxpayers should be able to present their case and adduce supporting evidence before tax collection proceeds; proceeding with collection without first establishing a valid assessment violates due process.
• Strict Construction of Waivers — A waiver of the statute of limitations, being a derogation of the taxpayer's right to security against prolonged and unscrupulous investigations, must be carefully and strictly construed.

• "While we have held that an assessment is made when sent within the prescribed period, even if received by the taxpayer after its expiration, this ruling makes it the more imperative that the release, mailing, or sending of the notice be clearly and satisfactorily proved. Mere notations made without the taxpayer's intervention, notice, or control, without adequate supporting evidence, cannot suffice; otherwise, the taxpayer would be at the mercy of the revenue offices, without adequate protection or defense."
• "The doctrine of estoppel cannot be applied as an exception to the statute of limitations on the assessment of taxes considering that there is a detailed procedure for the proper execution of the waiver, which the BIR must strictly follow."
• "A waiver of the statute of limitations, being a derogation of the taxpayer's right to security against prolonged and unscrupulous investigations, must be carefully and strictly construed."
• "Although taxes are the lifeblood of the government, their assessment and collection should be made in accordance with law as any arbitrariness will negate the very reason for government itself."

• Nava v. Commissioner of Internal Revenue — Cited for the rule that the government must clearly and satisfactorily prove the release, mailing, or sending of assessment notices; mere notations are insufficient.
• Commissioner of Internal Revenue v. Kudos Metal Corporation — Cited for the rule that estoppel cannot cure defects in waivers of the statute of limitations when the BIR failed to comply with its own regulations.
• Republic v. Court of Appeals — Cited for the rule regarding the disputable presumption of receipt of mailed letters and the shifting of the burden of proof when receipt is denied.
• CIR v. De La Salle University, Inc. and Commissioner of Internal Revenue v. Asian Transmission Corporation — Cited for the rule that findings of fact by the CTA are accorded the highest respect and can only be disturbed if not supported by substantial evidence.
• Commissioner of Internal Revenue v. Toledo Power, Inc. and Barcelon, Roxas Securities, Inc. v. Commissioner of Internal Revenue — Cited for the same rule regarding deference to CTA factual findings.
• CIR v. Reyes — Cited for the principle that tax collection without a valid assessment violates due process.
• Ang Tibay v. Court of Industrial Relations — Cited for the cardinal principle that taxpayers must be given opportunity to present their case before collection.
• Marcos II v. Court of Appeals — Cited for the principle that taxes must be assessed and collected in accordance with law.

• Section 7 of Republic Act No. 9282 — Grants the CTA jurisdiction over "other matters arising under the National Internal Revenue Code," including the cancellation of warrants of distraint and/or levy.
• Section 229 of the National Internal Revenue Code of 1977 — Governs the protesting of assessments and provides that failure to protest within thirty days renders the assessment final and unappealable.
• Section 203 of the National Internal Revenue Code of 1977 — Prescribes the three-year period for assessment of taxes from the date the return was filed or from the last day prescribed by law for filing, whichever is later.
• Section 223(c) of the National Internal Revenue Code of 1977 — Prescribes the three-year period for collection of taxes from the date of assessment.
• Sections 248(A)(3) and 249(C)(3) of the 1997 National Internal Revenue Code — Cited regarding civil penalties and interest on delinquent taxes.
• Revenue Memorandum Order No. 20-90 — Prescribes the proper form and procedure for the execution of waivers of the statute of limitations.
• Revenue Memorandum Order No. 45-93 — Governs the procedures for compromise settlement of tax assessments.