Void Contracts: Legal Consequences & Action Checklist

Contract Declared Void: Legal Consequences and a 7-Step Action Checklist

The contract is signed, partly performed — then one day it turns out it may be void: the signatory lacked authority, its content violates a prohibition, or it was signed under deception. The question is no longer "who is right" but: where do the delivered, received and performed parts go?

The 2015 Civil Code answers clearly in Article 131: a void transaction creates no rights or obligations from the time of conclusion — parties return to each other what they received. Simple to say, but unwinding a void contract is a whole process. This article gives a 7-step checklist.

Contents

• 1. What voidness is, and how it differs from cancellation and unilateral termination
• 2. Grounds for voidness (Articles 123–129)
• 3. Partial invalidity: not always "the whole pot tips over"
• 4. Legal consequences: restitution, damages, bona fide third parties
• 5. 7-step checklist when a contract risks voidness
• 6. Prevention: making contracts "hard to void" from day one
• 7. Illustration: unnotarised land transfer contract
• 8. Frequently asked questions
• References

1. What voidness is, and how it differs from cancellation and unilateral termination

Three often-confused concepts:

• Voidness: the contract never met validity conditions (Art. 117) from the start → treated as never having created rights or obligations. Requires statutory grounds (Arts. 123–129) and usually a court declaration.
• Cancellation: the contract was effective but one party may cancel for the other's delay or material breach. Consequences follow the agreement and breach rules.
• Unilateral termination: one party stops performing under a statutory or agreed right; the terminated party may claim damages.

Confusing the three means picking the wrong legal "weapon": seeking cancellation when the contract was void from the start (or vice versa) gets the claim dismissed.

Quick comparison:

2. Grounds for voidness (Articles 123–129)

The 2015 Civil Code lists seven groups:

1. Violation of legal prohibitions or social ethics (Art. 123): e.g. contracts trading in banned goods, "position-buying" deals.
2. Sham (Art. 124): contracts masking another transaction (sham sales for tax evasion, gifts dressed as sales).
3. Incapacitated parties (Art. 125): minors, persons lacking civil act capacity, persons with cognitive difficulties or limited capacity.
4. Mistake (Art. 126): mistake about essential content such that, had the truth been known, the party would not have concluded it.
5. Fraud, threat, coercion (Art. 127): one party's schemes making the other sign against its will.
6. Inability to be aware of and control conduct (Art. 128): e.g. signing while provably not lucid.
7. Mandatory form violated (Art. 129): the law requires notarisation/certification which the parties skipped (e.g. land use rights transfers without notarisation).

Key caveat: not every defect voids a contract. A purely administrative formality breach (missing a sub-licence…) does not necessarily void it absent a "legal prohibition" — a line courts draw case by case.

3. Partial invalidity: not always "the whole pot tips over"

Article 130 lets part of a contract be "saved": when one part is void but does not affect the rest, only that part is void. Exception: the parties agreed that part is inseparable.

Practical use: the price term in a sale may be void (for mistake) while the delivery obligation survives; penalty, damages and dispute-resolution clauses are often structured to "survive" independently. When drafting, include a severability clause to use this mechanism.

4. Legal consequences: restitution, damages, bona fide third parties

Articles 131 (restitution, compensation) and 133 (bona fide third-party protection) set three layers:

Layer 1 — treated as never existing: a void transaction creates, alters or terminates no rights or obligations from the time of conclusion.

Layer 2 — restitution: parties return to each other what they received; where in-kind return is impossible, return the monetary value. The at-fault party causing damage must compensate.

Layer 3 — bona fide third-party protection (Article 133): the "safety valve" for transaction security. Where an asset was registered with a competent state authority, then transferred to a bona fide third party through another transaction and that party relied on the registration, that transaction is not void. Example: A sells land to B under a void contract (title transfer incomplete), but B completes the red-book transfer then sells to bona fide C — the B–C transaction is protected.

5. 7-step checklist when a contract risks voidness

Step 1 — Pin down the specific voidness ground. Map the contract against Articles 123–129: which ground applies? Gather matching evidence (documents, testimony, expert assessment…). Without a clear ground, do not declare "the contract is void" to the counterparty.

Step 2 — Check limitation. The period for asking the court to declare voidness is 2 years from conclusion (Art. 132). If time has run — and the case is not one of the two no-limitation exceptions (prohibitions/social-ethics violation — Art. 123; sham transaction — Art. 124) — the court route is effectively closed; shift to negotiation.

Step 3 — Assess total vs partial voidness. Review each clause under Article 130: what can be saved? Can dispute-resolution or penalty clauses be severed?

Step 4 — Inventory what was delivered/received. Tabulate: money paid, goods delivered, assets transferred, costs incurred. This is the basis for restitution math.

Step 5 — Identify any bona fide third party. Has the asset passed onward? Registered with a state authority? Is the third party bona fide? The answers set the practical scope of restitution.

Step 6 — Quantify damages. The at-fault party (fraud, knowingly signing a contract bound to be void…) compensates the other side under the Civil Code's general principles.

Step 7 — Choose the resolution path. Negotiated restitution → mediation → suing for a court declaration of voidness and settlement of consequences. The petition must state: the voidness declaration sought (with the article cited), the specific restitution demanded, and damages (if any).

6. Prevention: making contracts "hard to void" from day one

• Check party standing: does the signatory have authority (power of attorney, charter, business registration)? For individual counterparties, full civil act capacity?
• Observe mandatory form: real-estate deals, land use rights capital contributions… notarise/certify as the law requires.
• Avoid "forbidden zones": screen the contract's purpose against sectoral prohibitions before signing.
• Document voluntariness: negotiation minutes and email threads evidence against later fraud/coercion claims.
• Severability clause: one void clause should not drag the whole contract down.

7. Illustration: unnotarised land transfer contract (illustrative scenario)

Mr A and Mr B agreed to transfer a land parcel for VND 2 billion; the parties only signed a handwritten paper, without notarisation. A had paid VND 500 million in advance. B later sold the land to someone else at a higher price. A sued, asking the court to declare the transfer contract void for breach of mandatory form (Article 129) and order B to return the money received.

The court's analysis: land law requires land use right transfer contracts to be notarised; the handwritten paper fails this requirement, so the contract is declared void; B must return the VND 500 million to A. If B proves A was also at fault (knowing notarisation was required yet agreeing to the handwritten paper), the court may apportion damages liability between them accordingly.

A distinction to note: a deposit contract securing the conclusion of a land transfer contract (Article 328) is not subject to mandatory notarisation — Article 328 of the 2015 Civil Code requires the deposit to be made in writing only, while Article 129 voids a transaction for form only where a specialised law requires notarisation for that specific type of transaction. Voidness for form in the scenario above applies to the transfer contract itself (the principal contract), not mechanically to every land-related paper.

The scenario above is a typical illustration synthesised from adjudication practice; details are anonymised and generalised, not any specific case file.

8. Frequently asked questions

How does a void contract differ from a cancelled one? A void contract never created rights or obligations from the moment of conclusion (legally treated as never having existed), while a cancelled contract (for delay, material breach…) was once effective and cancellation ends it from that point. Consequences differ: voidness means restitution of what was received; cancellation follows the parties' agreement and breach rules.

What makes a contract void? The 2015 Civil Code provides: violation of legal prohibitions or social ethics (Art. 123); sham transactions (Art. 124); conclusion by minors, persons lacking civil act capacity, persons with cognitive difficulties or limited capacity (Art. 125); mistake (Art. 126); fraud, threat, coercion (Art. 127); inability to be aware of and control conduct (Art. 128); non-compliance with mandatory form (Art. 129).

What must parties return when a contract is void? Under Article 131, a void civil transaction does not create, alter or terminate civil rights and obligations from the time of conclusion; parties return to each other what they received. Where in-kind return is impossible, return the monetary value.

Is a bona fide party protected when a contract is void? Yes, in a special case: where an asset was registered with a competent state authority, then transferred to a bona fide third party through another transaction and that party relied on the registration in concluding it, the transaction with the bona fide third party is not void (Art. 133). This is the "safety valve" for transaction security.

What is partial invalidity? Under Article 130, when part of a civil transaction is void but does not affect the rest, only that part is void and the remainder stays effective — unless the parties agreed that part is inseparable. Penalty, damages and dispute-resolution clauses can "survive" even when the main obligation is void, depending on contract structure.

What is the limitation period for seeking a voidness declaration? Under Article 132, the period for asking the court to declare a civil transaction void is 2 years from conclusion. Two exceptions carry no limitation: voidness for violating legal prohibitions or social ethics (Article 123) and sham civil transactions (Article 124) — either may be brought to court at any time.

Need a lawyer to assess your contract's voidness risk?

A contract declared void can cost a business money already paid, assets already received, and extra dispute costs. FLAT Law Firm reviews contracts before signing, identifies potential voidness grounds early, and builds a response plan when disputes arise. Contact hotline 0988424851 for advice.

References

1. 2015 Civil Code No. 91/2015/QH13 — Articles 117, 123–132, 407–408.