Philippine Bank of Commerce vs. Rommel's Marketing Corp.

A bank owes its depositors the highest degree of care; its teller’s validation of an incomplete duplicate deposit slip, in disregard of established bank procedure, constitutes negligence that is the proximate cause of the resulting loss, while the depositor’s prolonged failure to examine monthly statements of account amounts to contributory negligence that mitigates recoverable damages under Article 2179 of the Civil Code.

Rommel’s Marketing Corporation (RMC) maintained two current accounts with the Pasig Branch of the Philippine Bank of Commerce (PBC). Romeo Lipana, RMC’s president, regularly entrusted cash to his secretary, Irene Yabut, for deposit into those accounts. Yabut’s husband, Bienvenido Cotas, also had a current account with the same branch. Over a period exceeding one year, Yabut caused cash deposits totaling P304,979.74 to be credited not to RMC’s accounts but to her husband’s account, using an uncomplicated scheme that exploited the bank’s teller’s practice of validating an incomplete duplicate deposit slip. RMC never verified the monthly statements sent by the bank. Upon discovery, RMC demanded the return of its funds and subsequently sued the bank.

• The Current Accounts: RMC operated two current accounts (C.A. Nos. 53-01980-3 and 53-01748-7) with the Pasig Branch of PBC. Its president, Romeo Lipana, regularly handed company cash to his secretary, Irene Yabut, for deposit into these accounts. Yabut’s husband, Bienvenido Cotas, also maintained a current account (C.A. No. 53-01734-7) at the same branch.
• Yabut’s Modus Operandi: For each transaction, Yabut prepared two deposit slips—an original and a duplicate. On the original she wrote her husband’s name and account number. On the duplicate she entered only her husband’s account number and left the name of the account holder blank. She presented both slips to the teller, Azucena Mabayad.
• Bank’s Validation Procedure: Under the bank’s standard practice, a teller was required to ensure that a deposit slip was properly accomplished before validating it. Mabayad herself testified that she was supposed to see to it that the deposit slip was filled up with the name, account number, date, cash breakdown, and signature, and then count the money and tally it. Despite the incomplete duplicate, Mabayad validated and stamped both the original and the duplicate, retaining only the original. Yabut then filled in the name “Rommel’s Marketing Corporation” on the duplicate and altered the account number to reflect RMC’s C.A. No. 53-01980-3.
• Concealment of the Fraud: Yabut submitted the altered duplicate slips together with daily remittance records to RMC, making the company believe all cash had been duly credited to its accounts. In reality, the teller credited every deposit to the account of Bienvenido Cotas. This practice lasted from May 5, 1975 to July 16, 1976, resulting in a total uncredited sum of P304,979.74.
• Discovery and Demand: Romeo Lipana never checked the monthly bank statements sent by PBC, reposing complete trust in the bank. Upon discovering the loss, RMC demanded the return of its funds. The bank refused, prompting RMC to file a collection suit before the Regional Trial Court of Pasig.

• Proximate Cause: Petitioner bank argued that the proximate cause of the loss was RMC’s own negligence in entrusting cash to a dishonest employee, Irene Yabut. Because the bank was never informed that Yabut would deposit cash for RMC and because her husband also maintained an account, it was impossible for the bank to detect Yabut’s fraudulent design without inquiring into the ownership of the cash—which would be irregular.
• Failure to Examine Statements: Petitioner maintained that RMC’s failure to cross-check the bank’s monthly statements of account with its own records during the entire period of more than one year was the proximate cause of the subsequent frauds and misappropriation committed by Yabut.
• Falsified Duplicate Slips: Petitioner contended that the duplicate copies of deposit slips presented by RMC were falsified and could not serve as proof that the amounts appearing thereon were actually deposited to RMC’s account. These duplicates were merely instruments Yabut used to cover up her fraudulent acts, not records of genuine deposits.

• Proximate Cause: Respondent RMC countered that the proximate cause of the loss was the bank’s negligence, committed through its teller Azucena Mabayad, in validating both the original and duplicate deposit slips despite the duplicate’s incomplete state. This breach of the bank’s own validation procedure enabled Yabut’s scheme and caused the damage.

• Proximate Cause: Whether the bank’s negligence in validating an incomplete duplicate deposit slip, or RMC’s antecedent negligence in entrusting cash to a dishonest employee and failing to examine bank statements, was the proximate cause of the P304,979.74 loss.
• Contributory Negligence: Whether RMC’s failure to scrutinize the monthly bank statements for over a year constituted contributory negligence that should mitigate the damages recoverable.
• Falsified Deposit Slips: Whether the duplicate deposit slips, which were altered after validation, were admissible as proof of deposit and whether their falsified nature absolved the bank of liability.

• Proximate Cause: The bank’s negligence was the proximate cause. The teller’s validation of the incomplete duplicate deposit slip, in blatant disregard of the bank’s own procedure, was an act of gross negligence. Absent this irregular validation, Irene Yabut would not have been able to deposit the funds into her husband’s account while making RMC believe they were credited to its accounts. The bank’s failure in supervision—its manager remaining unaware of the practice for over seven years—compounded the fault. Applying the “last clear chance” doctrine, even assuming RMC was negligent in entrusting cash to Yabut, the bank had the last clear opportunity to avert the injury simply by insisting that the duplicate slip be completely filled up before validation. The bank’s omission was the immediate and efficient cause of the loss.
• Contributory Negligence: RMC’s failure to check its monthly bank statements for more than a year constituted contributory negligence. It was not, however, the proximate cause but a contributing factor that allowed the damage to accumulate. Under Article 2179 of the Civil Code, this contributory negligence required mitigation of damages. Satisfying the demands of substantial justice, the Court allocated the actual damages on a 60-40 ratio: 60% to be borne by the bank and 40% by RMC. The award of P25,000.00 in attorney’s fees was imposed exclusively upon the petitioners.
• Falsified Deposit Slips: The contention that the duplicate slips were falsified and not proof of deposit did not exonerate the bank. The bank’s liability stemmed from its own teller’s breach of duty—the validation of an incomplete slip that gave Yabut the instrumentality to perpetrate fraud—not from the authenticity of the slips themselves. The chain of causation was anchored on the bank’s negligence, not on the slips’ contents.

• Definition of Negligence (Picart v. Smith) — Negligence is the omission to do something which a reasonable man, guided by considerations ordinarily regulating human conduct, would do, or the doing of something a prudent and reasonable man would not do. The test asks: Did the defendant use that reasonable care and caution which an ordinarily prudent person would have used in the same situation? The standard is objective, corresponding to the imaginary conduct of the discreet paterfamilias. Applied here, the teller’s validation of an incomplete deposit slip fell short of this standard.
• Proximate Cause (Vda. de Bataclan v. Medina) — Proximate cause is that cause which, in natural and continuous sequence, unbroken by any efficient intervening cause, produces the injury, and without which the result would not have occurred. The bank’s negligent validation was indispensable to the loss; without it, Yabut could not have completed the fraud.
• Doctrine of Last Clear Chance (LBC Air Cargo, Inc. v. Court of Appeals) — Where both parties are negligent but the negligent act of one is appreciably later in time, or where it is impossible to determine whose negligence should be attributed to the incident, the party who had the last clear opportunity to avoid the impending harm and failed to do so bears the consequences. Here, even if RMC’s earlier entrustment of cash was negligent, the bank had the final chance to prevent the loss by correctly applying its validation procedure.
• Enhanced Degree of Diligence Required of Banks — Owing to the fiduciary nature of the bank-depositor relationship and the public interest involved, a bank must treat its depositors’ accounts with the highest degree of care, exceeding that of a good father of a family (Article 1173, Civil Code). It must record every transaction accurately, down to the last centavo, and as promptly as possible.
• Contributory Negligence Under Article 2179 — When the plaintiff’s own negligence is only contributory and not the immediate and proximate cause of the injury, the plaintiff may still recover damages, but the courts shall mitigate the damages awarded. RMC’s failure to examine bank statements for over a year was contributory negligence that warranted a substantial reduction of recoverable actual damages.

• “Considering the fiduciary nature of their relationship with their depositors, banks are duty bound to treat the accounts of their clients with the highest degree of care.” — This articulation of the bank’s enhanced standard of diligence is the decision’s doctrinal anchor, repeatedly cited in subsequent banking litigation.
• “Proximate cause is that cause, which, in natural and continuous sequence, unbroken by any efficient intervening cause, produces the injury, and without which the result would not have occurred.” — The decision reaffirms the classic Vda. de Bataclan definition, directly tying it to the teller’s validation act.
• “The point is that as a business affected with public interest and because of the nature of its functions, the bank is under obligation to treat the accounts of its depositors with meticulous care, always having in mind the fiduciary nature of their relationship.” — This passage reinforces the fiduciary character that elevates the bank’s duty beyond ordinary negligence standards.

• Picart v. Smith, 37 Phil. 809 (1918) — Laid down the objective test of negligence based on the reasonable man standard; applied as the controlling test for determining whether the teller’s conduct was negligent.
• Vda. de Bataclan v. Medina, 102 Phil. 181 (1957) — Established the authoritative definition of proximate cause; followed to analyze the causal link between the bank’s validation and the loss.
• Bank of the Philippine Islands v. Court of Appeals, 216 SCRA 51 (1992) — Reiterated both the proximate cause definition and the high degree of diligence required of banks; cited as consistent authority.
• Simex International (Manila), Inc. v. Court of Appeals, 183 SCRA 360 (1990) — Articulated that the bank must treat every account with utmost fidelity and record every single transaction accurately; relied upon to emphasize the bank’s fiduciary duty.
• LBC Air Cargo, Inc. v. Court of Appeals, 241 SCRA 619 (1995) — Enunciated the last clear chance doctrine; applied to charge the bank with the consequences of its later-in-time negligent act.

• Article 2176, Civil Code — Defines quasi-delict and its elements: damage, fault or negligence, and causal connection. Served as the basis for ascribing liability to the bank.
• Article 1173, Civil Code — States that the fault or negligence of an obligor consists in the omission of the diligence required by the nature of the obligation and the circumstances, and that if no standard is fixed by law or contract, the diligence of a good father of a family is required. Applied to hold banks to a higher standard than the ordinary paterfamilias.
• Article 2179, Civil Code — Provides that when the plaintiff’s own negligence is only contributory and not the immediate and proximate cause of the injury, damages may be recovered but shall be mitigated by the courts. Invoked to reduce RMC’s recoverable actual damages by forty percent.

Bellosillo, Vitug, and Kapunan, JJ., concur. No separate concurring opinions.

• N/A (the text of the dissenting opinion was not provided in the excerpt).