b.

Pure

Concept and Immediate Demandability

A pure obligation is an obligation whose performance is not subject to a suspensive condition and is not tied to a suspensive period. Its juridical effect is simple: once the obligation exists, the creditor may demand performance, and the debtor is bound to perform, subject only to the nature of the prestation and the ordinary rules on demand, delay, breach, and remedies.

The Civil Code states the operative rule by providing that every obligation whose performance does not depend upon a future or uncertain event, or upon a past event unknown to the parties, is demandable at once. The same provision also states that an obligation subject to a resolutory condition is demandable immediately, without prejudice to the consequences when the resolutory condition happens.

Purity therefore concerns the time and certainty of enforceability. It does not mean that the obligation is simple in every respect, free from defenses, or immune from rules on form, capacity, illegality, impossibility, default, or prescription. It means only that no suspensive condition or suspensive term must first occur before performance can be exacted.

Elements of a Pure Obligation

An obligation is pure when these features are present:

A pure obligation may arise from contract, law, quasi-contract, delict, or quasi-delict. The source affects its content and available remedies, but the classification as pure depends on whether enforceability is immediately demandable.

Meaning of Demandable at Once

Demandable at once means that the creditor may require performance immediately after the obligation is constituted. If the obligation is to pay a definite sum without a date for payment, the creditor need not wait for a future event or period before requiring payment.

Immediate demandability is not always the same as automatic delay. In obligations where delay requires judicial or extrajudicial demand, the obligation may already be due, but the debtor is ordinarily not in default until demand is made. Demandability identifies when the creditor may ask for performance; default identifies when failure to perform becomes a legally imputable delay giving rise to consequences such as damages.

Demand is unnecessary when the law or stipulation so provides, when time is the controlling motive for establishing the obligation, when demand would be useless because performance has become impossible through the debtor's act or fault, or when reciprocal obligations become due and one party has performed or is ready to perform while the other does not comply.

Relation to Conditional Obligations

A pure obligation must be distinguished from an obligation subject to a suspensive condition. A suspensive condition is a future and uncertain event, or a past event unknown to the parties, upon which the acquisition of rights or the demandability of the obligation depends. Until the condition happens, the creditor has no enforceable right to demand performance of the principal prestation.

If the obligation states, for example, that payment will be made only if a license is granted, if a sale is approved, or if a third person gives consent, the obligation is conditional if the event is uncertain and is made the basis of enforceability. The creditor's right is then contingent, not immediately demandable.

By contrast, if the event mentioned is merely a mode of performance, a factual reference, or an evidentiary matter and not a condition for enforceability, the obligation may remain pure. The controlling inquiry is whether the parties intended the event to suspend the creditor's right to demand the prestation.

Resolutory Condition

An obligation subject to a resolutory condition is demandable at once because the condition does not suspend the obligation's enforceability. The obligation produces effects immediately, but those effects may be extinguished or undone when the resolutory condition occurs.

This treatment explains why an obligation may be immediately enforceable even though it is not pure in the strictest technical sense. A resolutory condition affects continuation or extinguishment; it does not postpone initial demandability.

Relation to Obligations With a Period

A period is a future event certain to arrive, although the exact date may be uncertain. If performance is fixed on a day certain, the obligation is not pure because the creditor must wait until the period arrives before demanding performance.

An obligation payable on a stated date, upon the death of a person, at the end of a lease term, or after a definite number of days is an obligation with a period. The event is future but certain, so it postpones demandability without making the obligation conditional.

If no period is fixed but the nature and circumstances of the obligation show that the parties intended a period, the obligation should not be treated as immediately demandable in the same way as a pure obligation. The proper consequence is the judicial fixing of the period, after which performance becomes due according to the period fixed.

If the debtor promises to pay when his means permit him to do so, the obligation is treated as one with a period. The phrase does not give the debtor perpetual discretion to refuse payment, and it does not make the obligation pure; the court may fix the period for performance.

Classification Controlling Feature Demandability
Pure obligation No suspensive condition and no suspensive period Demandable at once
Conditional obligation with suspensive condition Future uncertain event or unknown past event suspends enforceability Demandable only upon fulfillment of the condition
Obligation with a period Future certain event fixes the time for performance Demandable only when the period arrives, unless the debtor loses the benefit of the period
Obligation with resolutory condition Condition may extinguish effects already produced Demandable immediately, subject to resolution if the condition happens

Effect on Obligations to Give

In a pure obligation to deliver a determinate thing, the creditor may compel delivery from the time the obligation arises. The debtor must preserve the thing with the diligence required by the nature of the obligation and by the circumstances of the person, time, and place.

The creditor's right to the fruits of the thing generally arises from the time the obligation to deliver becomes due. In a pure obligation, that point is ordinarily the constitution of the obligation, unless the law, stipulation, or nature of the obligation indicates another time.

The creditor does not acquire real ownership or a real right over the thing merely by the existence of the personal obligation. Ownership and other real rights over property are acquired and transmitted by delivery or by the legally recognized mode of transfer. The pure character of the obligation makes delivery immediately demandable, but it does not itself operate as delivery.

If the obligation is to deliver a generic thing, the creditor may demand performance of the agreed class or kind immediately. Because a generic thing does not perish as a genus, the debtor generally cannot excuse nonperformance by claiming loss of a particular item selected by him before proper delivery or appropriation.

Effect on Obligations to Do and Not to Do

In a pure obligation to do, the creditor may require performance immediately, but performance must still be evaluated according to the nature of the undertaking. If the act necessarily requires preparation or a reasonable time for completion, immediate demandability means the debtor must begin and complete performance within the time reasonably required by the prestation.

If the debtor fails to perform an obligation to do, the creditor may have the act performed by another at the debtor's cost when substitution is legally and practically proper. If the act was done in contravention of the tenor of the obligation, it may be ordered undone when undoing is possible and appropriate, without prejudice to damages.

In a pure obligation not to do, the debtor's duty of abstention exists at once. Breach occurs when the debtor performs the prohibited act. If the act can be undone, restoration may be required; if it cannot be undone, liability is ordinarily converted into damages and other proper relief.

Pure Obligations and Reciprocal Obligations

A reciprocal obligation may be pure as to both prestations when neither party's duty is subject to a condition or period. In that setting, each party is bound to perform when the other performs or is ready to perform, because the prestations are linked by mutual dependence.

In reciprocal obligations, one party may not demand performance while refusing or being unable to perform his own correlative prestation, unless the agreement or the law permits separate enforcement. The pure character of the obligation removes postponement by condition or term, but it does not remove the principle of simultaneous or correlative performance.

When one party in a reciprocal obligation has performed or is ready and willing to perform and the other does not comply, the aggrieved party may seek fulfillment or resolution with damages in proper cases. Resolution is not based on the obligation being conditional; it is a remedy for substantial breach of a reciprocal undertaking.

When Absence of a Date Does Not Make the Obligation Pure

The absence of an express date is strong evidence of immediate demandability, but it is not conclusive. Courts look at the language, nature, and surrounding circumstances of the obligation to determine whether the parties intended immediate performance or intended a period that was not expressly fixed.

An obligation to construct a building, ship goods, render professional services, or complete a complex act may have no calendar date and still require a reasonable time for performance. The obligation may be pure as to enforceability, but its actual performance is measured by what the prestation reasonably requires.

Where the parties clearly contemplated a future time for performance but failed to determine its duration, the court may fix the period. This preserves the parties' intent instead of converting a time-dependent undertaking into an immediately collectible obligation.

Potestative Language and Pure Obligations

An obligation is not pure merely because the debtor uses language suggesting discretion. If payment or performance depends solely on the debtor's will as a suspensive condition, the obligation may be void because the debtor has not truly bound himself. If the matter left to the debtor is the time of payment, the obligation may instead be one with a period to be fixed by the court.

The distinction rests on what is left to the debtor. If the debtor may decide whether the obligation will ever exist or become enforceable, the undertaking lacks binding force. If the debtor is already bound but may decide when to pay, the law prevents indefinite postponement by allowing judicial fixing of the period.

Thus, a promise to pay a definite debt without a date is ordinarily pure and immediately demandable, while a promise to pay when financially able is treated as involving a period, and a promise to pay only if the debtor later chooses to pay is not a true enforceable obligation.

Consequences of Breach

Because a pure obligation is immediately due, refusal or failure to perform after proper demand, or without demand when demand is not required, may give rise to the ordinary remedies for breach. The creditor may seek specific performance when legally available, substitute performance in proper obligations to do, undoing of prohibited acts in obligations not to do, damages, interest, resolution in reciprocal obligations, and other relief justified by the source and nature of the obligation.

For obligations to pay money, interest may be due by stipulation, by law, or as damages for delay. The immediate demandability of the principal obligation does not automatically create liability for delay interest unless the requisites for default or compensable delay are present.

For obligations involving determinate things, the debtor's responsibility may increase once delay begins, especially where loss, deterioration, or impossibility occurs after the debtor is already legally in default. Before default, liability still depends on the applicable rules on diligence, fortuitous event, fraud, negligence, and contractual assumption of risk.

Extinguishment and Defenses

A pure obligation may be extinguished by payment or performance, loss of the thing due in proper cases, condonation, confusion, compensation, novation, annulment, rescission, fulfillment of a resolutory condition when applicable, prescription, or other modes recognized by law. Its immediate demandability does not prevent the debtor from invoking defenses that attack the obligation's existence, validity, enforceability, performance, or extinguishment.

Prescription is especially affected by demandability because a cause of action generally accrues when the creditor may judicially enforce the right. Since a pure obligation is demandable at once, the creditor should not assume that silence or delay creates an unstated term in his favor.

The classification also affects tender and consignation. If a pure obligation to pay or deliver is already due and the creditor unjustifiably refuses proper performance, the debtor may use the remedies allowed by law to avoid continuing liability, provided the requisites for those remedies are satisfied.

Working Rules

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