Title
Spouses Abella vs. Spouses Abella
Case
G.R. No. 195166
Decision Date
Jul 8, 2015
Spouses disputed a P500K transaction: petitioners claimed a loan, respondents argued a joint venture. SC ruled no valid interest stipulation, ordered P3,379.17 reimbursement with 6% interest.

Case Summary (G.R. No. 173241)

Core factual allegations

Petitioners allege they loaned respondents P500,000, evidenced by a March 22, 1999 acknowledgment receipt stating the sum was "payable within one (1) year from date hereof with interest." Respondents admitted receipt of funds but characterized the transaction as capital for a joint venture (a lending enterprise) where each side would take a share of 5% charged to borrowers (2.5% each). Respondents admitted making periodic payments (including two principal payments of P100,000 each in 2001 and multiple monthly payments described as interest), and claimed the unpaid balance was P300,000 after collections.

RTC findings and disposition

The Regional Trial Court found the instrument and surrounding facts established a simple loan (mutuum). It determined P500,000 was borrowed, payable in one year, and subject to interest. The RTC entered judgment ordering respondents to pay P300,000 with interest at 30% per annum from filing (July 31, 2002), plus litigation costs and attorney’s fees, and denied plaintiffs’ claim for moral/exemplary damages and respondents’ counterclaim.

Court of Appeals reasoning and holding

The Court of Appeals accepted that the contract was a simple loan but held respondents were not liable for the outstanding P300,000. It reasoned that Article 1956 (no interest due unless expressly stipulated in writing) required an express written rate; the acknowledgment receipt indicated interest but did not specify a rate. Therefore, the monthly 2.5% payments were invalid as stipulated interest. The CA treated those periodic payments as payments on the principal, found respondents had paid a total of P648,500 versus a P500,000 principal, computed an overpayment of P148,500, and ordered petitioners to reimburse respondents with legal interest.

Issues framed on appeal to the Supreme Court

The Supreme Court identified two primary issues: (1) whether the loan bore conventional interest and, if so, at what rate; and (2) whether petitioners must reimburse respondents for alleged excess payments and pay interest on that reimbursement.

Characterization of the contract: loan (mutuum) vs. joint venture

The Supreme Court affirmed the RTC’s finding that the written acknowledgment establishes a simple loan. It emphasized the primacy of the written instrument when terms are clear (Civil Code Art. 1370) and applied Articles 1933 and 1953 to conclude ownership of the money passed to respondents with an obligation to return an equal amount — the hallmark of a mutuum rather than a joint venture. Testimony alleging a joint venture could not prevail over the clear written terms.

Application of Article 1956 and determination of the interest rate

The Court applied Article 1956 ("No interest shall be due unless it has been expressly stipulated in writing") together with controlling jurisprudence (Eastern Shipping, Security Bank, Spouses Toring) to govern a loan where interest is mentioned but the rate is unspecified. Established rules provide that, in the absence of a stipulated rate in writing, the legal rate of interest applies. The Court explained that the applicable legal rate is the rate prevailing at the time the contract was executed; given the parties’ 1999 agreement, the legal rate in effect then (12% per annum until BSP amendment) governs as conventional interest. The Court also cited Nacar to note that the legal rate was later reduced to 6% per annum effective July 1, 2013, but that change applied prospectively. Consequently, the conventional interest on the loan was held to be 12% per annum as the rate reflective of the parties’ silence in 1999.

Interest on conventional interest and the time it accrues

The Court reiterated that conventional interest, once due, shall itself earn legal interest from the time judicial demand is made (Civil Code Art. 2212; Eastern Shipping; Nacar). Thus, any conventional interest outstanding as of the filing of the Complaint (judicial demand, July 31, 2002) would thereafter earn legal interest. The Court applied 12% per annum for the period from July 31, 2002 to June 30, 2013, and 6% per annum thereafter for any continuing interest, in line with Nacar’s prospective application.

Parol evidence, Article 1371, and exceptions to the Parol Evidence Rule

Petitioners urged that contemporaneous and subsequent acts (Article 1371) and exceptions to the Parol Evidence Rule should allow proof of a 2.5% monthly rate. The Court explained the hierarchy of rules: the specific rule governing loans (Article 1956 and related jurisprudence dictating the legal rate where unstipulated) prevails over a general rule like Article 1371. It also noted parol evidence exceptions must be timely pleaded and are matters for trial stage appreciation; petitioners raised these arguments late in the proceedings (only in their Reply before the Supreme Court). Moreover, even if extrinsic evidence could establish a 2.5% monthly pact, that rate would be unconscionable and void under principles applied in Castro v. Tan and Civil Code Art. 1306, because 30% per annum compounded monthly would yield predatory results far beyond reasonable compensation for borrowed money.

Unconscionability analysis and reasonableness of the stipulated rate claimed

The Court found a 2.5% monthly rate (30% per annum) unconscionable in context: it would cause the debt to grow exponentially and would be grossly unfair given respondents’ demonstrated efforts to pay during the early years. The Court explained that while parties may contractually agree to rates different from the legal rate, deviations must be reasonable and supported by market conditions — which petitioners failed to demonstrate.

Accounting of payments, application rules, and computation of overpayment

Applying Article 1253 (payments cover interest first), the Court carefully accounted for the parties’ payments. It computed conventional interest (12% p.a.) and applied the admitted periodic payments first to interest and then to principal, tracing balances year-by-year. The Court found that by June 21, 200

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