Documents representing different defective contract classifications

Void vs Voidable vs Unenforceable Contracts in the Philippines

Your situation: Signed an agreement and now suspect a defect? Identify what was wrong when it was made, what each party has already done, and what outcome you want before calling it void.

Prepare your documents and next action

Quick Answer: A void contract is legally inexistent from the beginning and generally cannot be ratified. A voidable contract binds the parties until annulled and may be ratified. An unenforceable contract cannot be enforced by action unless properly ratified. These classifications are not interchangeable.

Contract-Defect Decision Table

Classification Typical basis Effect Ratification?
Void or inexistent Illegal cause or object, absolutely simulated agreement, impossible service or another Article 1409 ground No legal effect from inception No
Voidable Incapacity or consent vitiated by mistake, violence, intimidation, undue influence or fraud Binding until annulled Yes
Unenforceable Unauthorized contract, Statute of Frauds, or both parties incapable Cannot be enforced by action unless ratified Yes, when legally permitted
Rescissible Valid contract causing statutory lesion or prejudice Binding until rescinded Different remedy under Articles 1380–1389

When Is a Contract Void?

Article 1409 lists void and inexistent contracts. Examples include agreements whose cause, object or purpose is contrary to law, morals, good customs, public order or public policy; absolutely simulated contracts; and agreements whose object is outside commerce or whose principal purpose cannot be determined. The action or defense for declaration of inexistence does not prescribe under Article 1410, but property, procedural and equitable issues may still complicate relief.

When Is a Contract Voidable?

Under Article 1390 of Civil Code Book Four, contracts are voidable when one party lacks capacity or consent is vitiated. They remain binding until annulled. Articles 1392–1396 govern ratification, which extinguishes the action to annul and may be express or tacit.

When Is a Contract Unenforceable?

Article 1403 covers agreements made without authority, specified executory agreements within the Statute of Frauds, and agreements where both parties are incapable of consent. Ratification rules differ by ground. For oral transactions, see Are Oral Agreements Legally Binding?

Prepare a contract-review file

On a narrow screen, swipe across the table to see where to get each document.

Document Why it matters Where to get it
Signed agreement, annexes and earlier drafts Shows the actual terms and differences between negotiation and signing. Both parties, your email or document archive; keep complete copies.
Birth record, authority document or relevant court order Helps test capacity or authority for the specific act and date. PSA for the birth record; the principal or entity for authority records; issuing court for its order.
Messages, notices and payment or delivery records Helps reconstruct consent, performance, discovery of a defect and later conduct. Your original message exports, bank, payment provider and delivery records.

Your next action: Make a dated timeline: negotiation → signing → payment or delivery → discovery of the alleged defect → later acceptance or objection. Give the reviewer the outcome you seek and any demand or court deadline. Do not assume this classification guide tells you whether to stop performing; consequences, ratification and time limits require the complete facts.

Detailed evidence checklist

  • Original agreement and annexes
  • Evidence of age, guardianship or authority
  • Negotiation messages and representations
  • Proof of mistake, pressure, fraud or undue influence
  • Payment, delivery, acceptance or other ratifying conduct
  • Documents showing the object, purpose and consideration
  • Dates relevant to discovery and prescription

Practical Next Steps

  1. Do not label the contract before identifying the precise defect.
  2. Determine whether performance has occurred and was accepted.
  3. Identify who has standing to challenge the agreement.
  4. Check whether later conduct amounted to ratification.
  5. Preserve restitution evidence showing what each party received.
  6. Check prescription for annulment or rescission even if a nullity defense is being considered.

Capacity-related defects: Before calling an agreement void, distinguish the power to hold rights from the power to act and consent. Read juridical capacity vs capacity to act.

Related: Statute of Frauds: which Philippine contracts need a writing — the Article 1403(2) list, what counts as a signed note, and how ratification works.

Frequently Asked Questions

What is the difference between a void, voidable and unenforceable contract?

A void contract has no legal effect from the start; a voidable contract binds the parties until annulled; an unenforceable contract cannot be enforced by action unless properly ratified. The grounds and remedies differ under Civil Code Articles 1390, 1403 and 1409. Check the decision table above against the defect that existed when the agreement was made, then review later performance or ratification.

Can I cancel a contract just because I signed it after pressure or misleading statements?

Do not assume a signature can simply be withdrawn. Mistake, violence, intimidation, undue influence or fraud may make a contract voidable under Civil Code Article 1390, but a voidable contract is binding unless annulled by proper action and may be ratified. Preserve the messages, witnesses, drafts and payment records showing what happened. Get advice on the appropriate action before stopping performance or returning anything.

How long do I have to seek annulment of a voidable contract?

Civil Code Article 1391 generally gives four years, but the starting date depends on the defect. For intimidation, violence or undue influence, it runs when the defect of consent ceases; for mistake or fraud, from discovery; and for a minor or other incapacitated party, from the end of guardianship. Record those dates and have the facts checked promptly, because a different contract defect may require a different remedy. Read Articles 1390–1391.

What documents should I bring before asking for a contract remedy?

Bring the full agreement and a dated account of what happened before and after signing. Include annexes and drafts, messages or advertisements, proof of capacity or authority, payments, deliveries, objections and any later acceptance of benefits. Identify whether you want enforcement, annulment, restitution or another result. A reviewer can then assess the correct classification, standing, ratification and filing route under the Civil Code contract rules; use the contract review checklist to organize the file.

Is an unsigned contract automatically void?

No. Many contracts can be valid without signatures, although proof and special form requirements may affect enforceability.

Can a void contract become valid through performance?

A void contract cannot be ratified. However, the correct classification must first be established; an oral executory agreement within the Statute of Frauds is not automatically void.

Who may annul a voidable contract?

Article 1397 limits the action to persons principally or subsidiarily obliged, subject to its restrictions.

Can a court raise illegality?

Courts will not enforce an agreement that the law treats as void for illegality, subject to the applicable Civil Code rules and facts.

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Primary Legal Sources

Recorded source-check date (not independent legal review): September 15, 2026. This is general legal information, not advice for a particular dispute.