Consolidated Bank and Trust Corp. vs. L.C. Diaz and Company

A bank’s liability for the unauthorized withdrawal of deposits is governed by culpa contractual; breach of a specific contractual undertaking — here, the duty to return the passbook only to the depositor’s authorized representative — may constitute the proximate cause of loss, and the depositor’s contributory negligence mitigates but does not extinguish the bank’s liability.

Solidbank, a domestic banking corporation, maintained Savings Account No. S/A 200-16872-6 for the professional partnership L.C. Diaz and Company, CPA’s. On 14 August 1991, the partnership’s cashier sent a messenger, Ismael Calapre, to make two deposits and to have the passbook updated. Calapre left the passbook with Teller No. 6 because the transaction was time-consuming and he needed to transact at another bank. Upon his return, the teller informed him that someone else had taken the passbook. Shortly thereafter, an unauthorized withdrawal of P300,000 was made from the account using the passbook and a withdrawal slip bearing the purported signatures of the partnership’s authorized signatories. L.C. Diaz discovered the unauthorized transaction and demanded restitution; Solidbank refused, prompting the suit for recovery.

• Nature of the Account: L.C. Diaz, a professional accounting partnership, maintained Savings Account No. S/A 200-16872-6 with Solidbank. The relationship was governed by Solidbank’s printed rules on savings accounts, which provided that possession of the passbook raised a presumption of ownership and that the bank’s payment upon its production would have the same effect as payment to the depositor personally.

• The 14 August 1991 Transactions: On 14 August 1991, L.C. Diaz’s cashier, Mercedes Macaraya, prepared a savings (cash) deposit slip for P990 and a savings (checks) deposit slip for P50, and gave them together with the passbook to messenger Ismael Calapre. Calapre presented the slips and passbook to Teller No. 6, who stamped the duplicate deposit slips. Because the transaction took time and Calapre had another deposit to make at Allied Bank, he left the passbook with the teller. When Calapre returned, Teller No. 6 told him that “somebody got the passbook.” Calapre reported the loss to Macaraya.

• Attempted Retrieval and Alarming Discovery: Macaraya promptly prepared a deposit slip for a P200,000 check and, accompanied by Calapre, went to Solidbank. Teller No. 6 could not remember to whom she had given the passbook; she only said the person was shorter than Calapre. The teller handed Macaraya a deposit slip dated 14 August 1991 for a P90,000 check drawn on Philippine Banking Corporation — a check of L.C. Diaz that had been “long closed.” Macaraya failed to recover the passbook.

• The Unauthorized Withdrawal: On 15 August 1991, L.C. Diaz learned that P300,000 had been withdrawn from its account the previous day. The withdrawal slip bore the signatures of the authorized signatories, Luis C. Diaz and Rustico L. Murillo, who both denied signing. A certain Noel Tamayo received the amount. The PBC check deposited for P90,000 was later dishonored for insufficiency of funds and signature discrepancy.

• Criminal and Civil Proceedings: L.C. Diaz charged its messenger Emerano Ilagan and one Roscon Verdazola with estafa through falsification; the case was dismissed after the prosecution moved to dismiss. On 24 August 1992, L.C. Diaz demanded restitution from Solidbank, which refused. The complaint for recovery of a sum of money followed.

• Trial Court Findings: The RTC credited Solidbank’s reliance on its passbook rules and the verification of signatures by its staff. It found L.C. Diaz negligent for: (1) allowing its passbook to be possessed by an unauthorized person; (2) permitting a signed withdrawal receipt to fall into unauthorized hands; and (3) the presence of a long-closed check from the depositor. It deemed the suit a last-ditch effort after the failed criminal case.

• Court of Appeals Findings: The CA found that Solidbank’s teller should have called the depositor before releasing a large sum, and that the bank failed to exercise the high diligence required. It applied the doctrine of last clear chance, ruling that the bank had the final opportunity to avert the loss, and found the bank liable under quasi-delict.

• No Duty to Call Depositor: Petitioner maintained that no law, regulation, or contractual arrangement required a bank teller to call the depositor before allowing a withdrawal of a large amount in a savings account. It argued that the teller who processed the withdrawal had no reason to be suspicious, particularly because an apparently large deposit of P90,000 had just been made.

• Doctrine of Last Clear Chance Inapplicable: Petitioner contended that the signatures on the withdrawal slip were genuine and the passbook was duly presented; the depositor’s antecedent negligence in safekeeping the passbook and the signed withdrawal slip, and in selecting and supervising its employees, was the proximate cause of the loss. The last clear chance doctrine could not be invoked against the bank.

• Last-Ditch Effort to Recover Loss: Petitioner asserted that the civil action was merely a final attempt by L.C. Diaz to recover the P300,000 after the criminal case against its messenger Ilagan had failed.

• Failure to Mitigate Damages: Petitioner argued that, even assuming liability, the damages awarded should be mitigated under Article 2179 (erroneously cited as 2197) of the Civil Code because the Court of Appeals itself found that the bank’s negligence was merely contributory.

• Breach of Fiduciary Duty and Negligence: Respondent contended that Solidbank’s teller was grossly negligent in failing to verify the identity of the person withdrawing P300,000 — a substantial sum — and in not calling the depositor to confirm the transaction, thereby violating the fiduciary nature of the bank-depositor relationship.

• Proximate Cause and Last Clear Chance: Respondent argued that Solidbank’s negligence in handling the withdrawal was the proximate cause of the loss, and that the bank had the last clear chance to prevent the injury by exercising simple diligence, such as a telephone verification.

• Nature of Liability: Whether the bank’s liability for the unauthorized withdrawal should be determined under quasi-delict (culpa aquiliana) as applied by the Court of Appeals, or under the law on contracts (culpa contractual) arising from the savings deposit agreement.

• Duty to Verify: Whether Solidbank had a legal or contractual duty to call the depositor by telephone before allowing the withdrawal of P300,000.

• Proximate Cause: What event constituted the proximate cause of the unauthorized withdrawal — the depositor’s antecedent negligence in safeguarding the passbook and signed withdrawal slip, or the bank’s failure to return the passbook to the authorized representative.

• Doctrine of Last Clear Chance: Whether the doctrine of last clear chance applies to absolve or reduce the bank’s liability.

• Mitigation of Damages: Whether the damages awarded should be mitigated on account of the depositor’s contributory negligence.

• Nature of Liability: The bank’s liability was for breach of contract due to negligence, or culpa contractual. The savings deposit agreement is a contract of simple loan under Article 1980 of the Civil Code, creating a debtor-creditor relationship. Although the law imposes a fiduciary standard of “high standards of integrity and performance” — codified in Section 2 of Republic Act No. 8791 in 2000 but recognized in jurisprudential precedents — this does not convert the simple loan into an express or implied trust; it merely raises the degree of diligence required of the bank beyond that of a good father of a family. The proper framework is contractual, not quasi-delictual.

• Duty to Verify: Solidbank had no general duty to call the depositor before allowing a withdrawal. No law mandates such a practice, and no special arrangement between the parties imposed this requirement. The teller who processed the withdrawal was not shown to have had reason to suspect the transaction, particularly because the earlier deposit of a P90,000 check appeared to make the withdrawal less suspicious. Hence, failure to call the depositor was not a breach, nor the proximate cause.

• Proximate Cause: The proximate cause of the unauthorized withdrawal was Solidbank’s negligent failure to return the passbook to Calapre, the authorized representative of L.C. Diaz. The passbook was left with the bank’s teller for the processing of deposits; Solidbank had the contractual obligation to return it only to the authorized person. By giving the passbook to an unauthorized individual, the teller clothed that person with presumptive ownership under the bank’s own rules, directly enabling the subsequent fraud. Had the passbook not been misdelivered, the loss would not have occurred.

• Doctrine of Last Clear Chance: The doctrine did not apply. The case being one of culpa contractual, neither the plaintiff’s contributory negligence nor the last clear chance doctrine could exonerate the defendant from its breach. These factors merely serve to mitigate the recoverable damages, not to extinguish liability.

• Mitigation of Damages: The depositor was guilty of contributory negligence because it allowed a withdrawal slip signed by its authorized signatories to fall into the hands of an impostor. Under Article 1172 of the Civil Code, courts may regulate liability for culpa contractual according to the circumstances. Consistent with the apportionment in Philippine Bank of Commerce v. Court of Appeals, the actual damages were divided on a 40-60 ratio — L.C. Diaz to bear 40% of the loss, Solidbank 60%.

• Fiduciary Nature of Bank-Depositor Relationship / Standard of Diligence — The relationship between a bank and its depositor is, at its root, a contract of simple loan (Article 1980, Civil Code) but one impressed with a fiduciary character. By statutory command (Section 2, RA 8791) and settled jurisprudence, banks must observe “high standards of integrity and performance,” a degree of diligence higher than that of a good father of a family. This heightened standard is deemed written into every deposit agreement. However, this does not transform the simple loan into a trust agreement; the bank remains a debtor, not a trustee.

• Culpa Contractual: Presumption of Fault and Burden of Proof — In an action for breach of contract due to negligence, once the plaintiff proves the breach, a presumption arises that the defendant was at fault or negligent. The burden then shifts to the defendant to prove that it exercised the diligence required. Here, proof that the bank did not return the passbook to the depositor’s authorized representative established a breach and shifted the burden to Solidbank, which failed to present the teller responsible or to demonstrate compliance with a proper identification procedure.

• Respondeat Superior in Culpa Contractual — In contractual breaches, the defense of having exercised due diligence in the selection and supervision of employees is not a complete defense. The bank must ensure that its employees themselves observe the high standards required, because only through such employees can the bank meet its fiduciary obligation.

• Proximate Cause Defined — Proximate cause is that 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 determination is fact-intensive, guided by logic, common sense, policy, and precedent.

• Inapplicability of Last Clear Chance in Culpa Contractual — The doctrine of last clear chance — which makes the party who had the final opportunity to avoid harm liable despite the plaintiff’s prior negligence — does not govern breaches of contract. Neither contributory negligence nor last clear chance exculpates a defendant from a proven breach; they serve only to reduce the recoverable damages.

• Mitigation of Damages under Article 1172 — Article 1172 of the Civil Code allows courts to regulate liability for culpa contractual according to the circumstances. Where the plaintiff is guilty of contributory negligence, the court may apportion the actual damages, as in the 40-60 ratio applied in Philippine Bank of Commerce v. Court of Appeals.

• “The law imposes on banks high standards in view of the fiduciary nature of banking. … This fiduciary relationship means that the bank’s obligation to observe ‘high standards of integrity and performance’ is deemed written into every deposit agreement between a bank and its depositor.” – Establishes the contractual import of the fiduciary standard.

• “The fiduciary nature of banking does not convert the contract between the bank and its depositors from a simple loan to a trust agreement, whether express or implied. … The law simply imposes on the bank a higher standard of integrity and performance in complying with its obligations under the contract of simple loan.” – Delineates the limits of the fiduciary principle.

• “In culpa contractual, once the plaintiff proves a breach of contract, there is a presumption that the defendant was at fault or negligent. The burden is on the defendant to prove that he was not at fault or negligent.” – Articulates the procedural advantage of the contractual framework.

• “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.” – Reiterates the classic definition.

• “The doctrine of last clear chance … do not apply to the present case. … This is a case of culpa contractual, where neither the contributory negligence of the plaintiff nor his last clear chance to avoid the loss, would exonerate the defendant from liability.” – A concise ruling against the use of last clear chance in contract.

• “Solidbank failed to present the teller who had the duty to return to Calapre the passbook, and thus failed to prove that this teller exercised the ‘high standards of integrity and performance’ required of Solidbank’s employees.” – Illustrates the evidentiary consequence of the burden shift.

• Simex International v. Court of Appeals, G.R. No. 88013, 19 March 1990, 183 SCRA 360 — The seminal case that first articulated the rule that a bank must treat its depositors’ accounts with meticulous care, given the fiduciary nature of the relationship. This case was followed in a line of subsequent decisions solidified in the present ruling.

• Philippine Bank of Commerce v. Court of Appeals, 336 Phil. 667 (1997) — Applied for the 40-60 apportionment of damages between a negligent depositor and the bank. The present case directly adopted the same ratio.

• Cangco v. Manila Railroad Co., 38 Phil. 769 (1918) and De Guia v. Meralco, 40 Phil. 706 (1920) — Cited for the proposition that, in culpa contractual, the defense of due diligence in the selection and supervision of employees is not a complete defense.

• Serrano v. Central Bank, G.R. L-30511, 14 February 1980, 96 SCRA 96 — Cited to support the principle that a bank’s failure to pay a depositor is a failure to pay a simple loan, not a breach of trust.

• Vda. de Bataclan v. Medina, 102 Phil. 181 (1957) — Referred to for the definition of proximate cause.

• Del Prado v. Manila Electric Co., 52 Phil. 900 (1928-1929) — Cited for the rule that contributory negligence and last clear chance do not exculpate a defendant from a breach of contract but merely mitigate damages.

• Article 1980, Civil Code — Provides that savings deposits in banks shall be governed by the provisions on simple loan. The Court anchored the bank-depositor relationship on this article, holding that the savings deposit agreement is a contract of simple loan.

• Article 1172, Civil Code — States that responsibility arising from negligence in the performance of every kind of obligation is demandable, and that liability may be regulated by courts according to circumstances. The provision was the basis for reducing Solidbank’s liability due to the depositor’s contributory negligence.

• Article 2176, Civil Code — Defines quasi-delict. The Court clarified that this provision was not the proper basis of liability because a pre-existing contractual relation existed between the parties.

• Article 2208, Civil Code — The Court of Appeals relied on this article in initially awarding attorney’s fees (later deleted), but the provision ultimately did not sustain the award because exemplary damages were deleted.

• Section 2, Republic Act No. 8791 (The General Banking Law of 2000) — Declares the State’s recognition of the fiduciary nature of banking requiring high standards of integrity and performance. Although enacted after the unauthorized withdrawal, the Court held that jurisprudence at the time already imposed the same standard; the statute is a codification of that pre-existing rule.

Davide, Jr., C.J. (Chairman), Vitug, and Ynares-Santiago, JJ., concurred. Azcuna, J., was on official leave.