Concept and Function
Guaranty is a contract by which one person binds himself to the creditor to fulfill the obligation of the principal debtor if the principal debtor fails to do so. It is a credit-support contract: the creditor relies on an additional person who answers for another's debt, default, or miscarriage.
Suretyship is the solidary form of this security arrangement. A surety binds himself solidarily with the principal debtor, so the creditor may proceed against the surety as against a solidary debtor, subject to the terms of the undertaking and the defenses preserved by law.
The Civil Code treats guaranty as the general institution and suretyship as a special form governed by the rules on solidary obligations. Both remain accessory to a principal obligation, but they differ in the immediacy and extent of the secondary party's liability.
| Point of Comparison | Guaranty | Suretyship |
|---|---|---|
| Nature of liability | Subsidiary, unless the guarantor waives the benefit of excussion or assumes solidary liability. | Direct and solidary with the principal debtor. |
| Creditor's first recourse | The creditor must generally first exhaust the debtor's property and legal remedies. | The creditor may demand payment from the surety without first pursuing the debtor. |
| Benefit of excussion | Generally available if properly invoked and not waived or lost. | Not available because the surety is a solidary debtor. |
| Construction | Strictly construed and not presumed. | Also strictly construed, but the surety's solidary promise is enforced according to its terms. |
| Commercial use | Often used where the creditor agrees to look first to the principal debtor. | Often used in bonds, commercial credit, construction, procurement, and court-required undertakings. |
Essential Characteristics
Guaranty and suretyship are accessory contracts because their existence depends on a principal obligation. There must be a principal debt, undertaking, or liability to secure; without one, the security obligation has nothing to support.
They are also subsidiary or collateral in function because the undertaking answers for another person's obligation. In simple guaranty, subsidiarity affects enforcement; in suretyship, the accessory character remains even though enforcement may be direct.
They are consensual contracts because they arise from the meeting of minds of the guarantor or surety and the creditor. The principal debtor's consent is not indispensable to the validity of the guaranty, although the absence of the debtor's knowledge may affect the guarantor's rights of reimbursement and subrogation after payment.
They are usually unilateral as to the guarantor or surety once constituted, because the essential enforceable promise is the undertaking to answer for the principal debtor. They may be gratuitous or onerous; compensation to a corporate surety or bonding company makes the undertaking onerous but does not erase its accessory character.
A guaranty is not presumed. It must be express, and the intention to answer for another's obligation must clearly appear. Ambiguous language is not enlarged to create a guaranty, and a person who merely recommends, introduces, or endorses the financial standing of another does not become a guarantor without a clear undertaking to be bound.
The promise must also satisfy the Statute of Frauds when it is a special promise to answer for the debt, default, or miscarriage of another. The writing requirement protects the alleged guarantor against liability based on uncertain oral assurances.
Principal Obligation Secured
A guaranty cannot secure a legally nonexistent obligation, but it may secure obligations that are voidable, unenforceable, or natural, because such obligations may have practical or equitable force even if the principal debtor may assert personal defenses. The guarantor's undertaking may itself supply enforceability against the guarantor if the principal obligation is not void for illegality or absolute inexistence.
A guaranty may secure a future debt, a conditional obligation, or a continuing line of credit. If the debt is future or unliquidated, the creditor cannot demand payment from the guarantor or surety until the principal obligation becomes due and its amount can be determined under the terms of the undertaking.
A continuing guaranty or continuing suretyship covers successive transactions within the contemplation of the parties. It remains effective for obligations incurred while it is in force, and revocation generally affects only future transactions unless the contract validly provides otherwise.
The undertaking may be limited by amount, duration, transaction, debtor, creditor, or subject matter. A guarantor may bind himself for less than the principal obligation, but not for more; if the guarantee is broader or more onerous than the principal debt, it is reduced to the limits of the principal obligation.
Scope of Liability
The guarantor or surety is liable only within the express terms of the undertaking. Because guaranty is not presumed and is strictly construed, the creditor cannot enlarge the undertaking by implication, usage, or unilateral acts after the guarantor or surety has given consent.
A definite guaranty fixes the precise debt, amount, or transaction secured. An indefinite or simple guaranty of a principal obligation may include the natural accessories of the debt, such as interest and expenses, when those accessories are within the fair meaning of the undertaking.
Judicial costs receive stricter treatment. A guarantor is not answerable for such costs unless demand has been judicially made upon him, because costs incurred before the guarantor is properly called to answer should not be charged against a person whose liability is only collateral.
Interest, penalties, attorney's fees, collection charges, and liquidated damages bind the guarantor or surety only when they are part of the secured obligation or clearly within the undertaking. Even a compensated surety is not liable beyond the bond, contract, or instrument that defines the risk assumed.
Parties and Qualifications
The principal parties are the creditor, the principal debtor, and the guarantor or surety. The creditor is the obligee who may enforce the security undertaking. The principal debtor is the person whose obligation is secured. The guarantor or surety is the person who assumes responsibility for the debtor's performance or payment.
A guarantor should have capacity to bind himself, sufficient property to answer for the obligation, and integrity consistent with the confidence reposed in him. If the guarantor later becomes insolvent, the creditor may demand a suitable replacement unless the creditor required and accepted that particular guarantor as an essential part of the arrangement.
In corporate suretyship, the surety's authority to issue bonds and the bond's terms control the undertaking. The creditor may rely on the bond as written, while the surety may invoke limitations, conditions, exclusions, and penal sums that are part of the bond.
Effects Between Creditor and Guarantor
In simple guaranty, the creditor's right against the guarantor arises when the principal debtor fails to comply with the obligation. The guarantor may invoke the benefit of excussion, which requires the creditor to exhaust the debtor's property and legal remedies before enforcing the guaranty.
Excussion is not automatic in the sense of being self-executing. The guarantor must invoke it against the creditor and point out property of the principal debtor within the Philippines sufficient to satisfy the debt. Property that is hidden, disputed, exempt, located abroad, or insufficient does not effectively support the benefit.
The benefit of excussion is unavailable when the guarantor has expressly renounced it, when he has bound himself solidarily with the debtor, when the debtor is insolvent, when the debtor has absconded or cannot be sued within the Philippines, or when execution against the debtor would plainly be useless.
A guarantor of a guarantor has a layered form of protection. He may require the creditor to exhaust not only the property of the principal debtor but also that of the first guarantor, unless the law or the contract removes that protection.
The creditor may sue the principal debtor and the guarantor in the same action when procedure allows, but judgment against the guarantor in simple guaranty must respect the guarantor's right to excussion. In suretyship, the creditor may proceed directly against the surety because the surety's obligation is solidary.
Effects Between Debtor and Guarantor or Surety
After valid payment, the guarantor is entitled to reimbursement from the principal debtor. The indemnity generally covers the total amount paid, legal interest from notice of payment to the debtor, expenses incurred after notifying the debtor, and damages when proper.
The guarantor who pays is subrogated to the rights of the creditor. Subrogation transfers to him the creditor's remedies, securities, preferences, and collateral rights to the extent necessary to recover what he properly paid.
If the guarantor pays without notifying the debtor, the debtor may set up against him the defenses that could have been asserted against the creditor at the time of payment. This rule prevents the guarantor from worsening the debtor's position through unnecessary or premature payment.
If the guarantor pays before the debt is due, he generally cannot demand reimbursement until the maturity of the principal obligation. The debtor should not be forced to reimburse earlier than the time when he himself was bound to pay.
If the debtor pays the creditor because he was not informed that the guarantor had already paid, the guarantor's recourse is against the creditor who received double satisfaction. Notice is therefore essential to preserve the guarantor's reimbursement remedy against the debtor.
Even before payment, the guarantor may seek relief from the debtor in defined situations of risk, such as when the guarantor is sued, when the debtor becomes insolvent, when the debtor undertook to release him after a period that has expired, when the debt has become demandable, when a long period has passed without a fixed maturity, or when there is reasonable fear that the debtor will abscond. The remedy at that stage is to obtain release from the guaranty or adequate security, not reimbursement for a payment not yet made.
Effects Among Co-Guarantors and Co-Sureties
When several guarantors secure the same debtor and the same debt, each is generally liable only for his proportionate share unless solidarity has been stipulated. This is the benefit of division.
The benefit of division, like excussion, may be lost when the circumstances justify direct or full recourse, such as waiver, solidarity, insolvency of the relevant party, absence from the Philippines, or practical uselessness of proceeding first against another.
A co-guarantor who pays more than his share may demand contribution from the others when payment was made because of judicial demand or because the principal debtor was insolvent. The co-guarantors may raise against him defenses available against the creditor and those personal to themselves.
Among co-sureties, contribution follows the logic of solidary obligations and the agreement of the parties. A surety who pays the creditor may proceed against the principal debtor for reimbursement and against co-sureties for their proper shares, subject to the bond or contract.
Defenses
The guarantor or surety may invoke defenses arising from the nature of the principal obligation, such as payment, loss of the thing due, remission, compensation, novation, prescription, illegality, or nullity of the debt. If the principal obligation has been extinguished, the accessory undertaking generally falls with it.
Purely personal defenses of the principal debtor do not always release the guarantor or surety, especially when the security undertaking was intended to answer despite the debtor's incapacity or personal disability. The decisive question is whether the defense destroys the debt itself or merely gives the debtor a personal ground to resist enforcement.
The guarantor or surety may also rely on defenses arising from the security contract itself, including lack of consent, incapacity, fraud, mistake, expiration, revocation as to future transactions, noncompliance with bond conditions, excess over the penal sum, or material alteration without consent.
Because the undertaking is strictly construed, the creditor bears the burden of showing that the claim falls within the risk assumed. A surety may be compensated and commercially sophisticated, but compensation does not authorize the creditor to rewrite the bond.
Extinguishment
Guaranty and suretyship are extinguished by the same causes that extinguish obligations, including payment or performance, loss of the thing due, condonation or remission, confusion, compensation, novation, annulment, rescission, fulfillment of a resolutory condition, and prescription.
They are also extinguished when the principal obligation is extinguished, because the accessory cannot survive the principal debt except to the extent the parties created a separate and valid undertaking. Release of the principal debtor releases the guarantor or surety, but release of the guarantor does not necessarily release the principal debtor.
An extension granted by the creditor to the principal debtor without the guarantor's or surety's consent releases the guarantor or surety, because the extension changes the risk and may impair the right of reimbursement or subrogation. Mere delay, tolerance, or failure to sue is not the same as a binding extension.
Material alteration of the principal obligation without the guarantor's or surety's consent also discharges the undertaking to the extent the alteration changes the obligation assumed. A change in amount, maturity, interest, security, mode of performance, or principal risk may be material when it increases exposure or changes the recourse expected by the guarantor or surety.
If the creditor, by his own act, prevents the guarantor or surety from being subrogated to the creditor's rights, securities, mortgages, pledges, preferences, or remedies, the guarantor or surety is released. The law protects the security party's expectation that payment will transfer effective recourse against the debtor and collateral.
If the creditor voluntarily accepts property in payment of the debt, the guarantor is released even if the creditor is later evicted from the property. The creditor's voluntary acceptance substitutes performance and should not revive the guarantor's exposure after the creditor's chosen satisfaction fails.
Legal and Judicial Bonds
Legal bonds are security undertakings required by law; judicial bonds are those required by a court or authorized by procedural rules. They are usually cast in surety form because the obligee must have prompt and dependable recourse if the principal fails to perform the bonded obligation.
The bond is interpreted according to its text, the statute or rule requiring it, and the purpose for which it was filed. Civil Code rules on guaranty and suretyship apply suppletorily when consistent with the governing law, rule, or court order.
A bondsman offered because of a legal provision or judicial order must possess the qualifications required for guarantors and any additional qualifications imposed by the governing rule. If a personal bondsman is insufficient, the law may require substitution, additional security, a pledge, a mortgage, or a corporate surety bond.
A judicial bondsman generally cannot demand prior exhaustion of the principal debtor's property. The purpose of a judicial bond is to give the court and the adverse party an immediately enforceable assurance that the principal will comply with the obligation secured by the bond.
The liability on a bond is measured by the bond's condition and penal sum. The surety is not liable for obligations outside the condition, for amounts beyond the penal limit, or for claims arising after the bond has been validly cancelled or discharged, unless the bond or governing rule clearly provides continuing liability.
Integrated Doctrinal Summary
Guaranty protects the creditor by adding a secondary obligor, while protecting the guarantor through strict construction, express consent, excussion, division, reimbursement, and subrogation. Suretyship strengthens the creditor's position by making the surety solidarily bound, but it remains limited by the principal obligation and the surety's written undertaking.
The central organizing idea is that the security party answers for another's obligation only because he agreed to do so and only within the risk he assumed. Accessory liability follows the principal debt, solidary liability accelerates enforcement, and equitable recourse preserves the guarantor's or surety's ability to shift the ultimate burden back to the principal debtor.