📋 Korean Law Insight | Business Law
By Attorney NOH UJIN | HANBYOL LAW LLC, Seoul
Force Majeure and Contract Termination Under Korean Law: A Practical Guide for International Businesses
The COVID-19 pandemic, geopolitical disruptions, climate-related natural disasters, and supply chain crises have propelled force majeure clauses from routine boilerplate to mission-critical contract provisions. For businesses operating under Korean law — or in disputes governed by Korean contract law — understanding how Korean courts interpret force majeure, the scope of 불가항력 (bulgahangnyeok), and the grounds for contract termination under the Civil Act (민법) is essential.
This guide by HANBYOL LAW LLC examines the legal framework, recent judicial interpretations post-COVID, practical drafting considerations, and dispute resolution strategies available to international parties contracting under Korean law.
1. Korean Law Framework: Civil Act vs. Contractual Force Majeure
1.1 The Civil Act (민법) — Statutory Framework
Korea's Civil Act (민법, Act No. 471, promulgated 1958, extensively amended) does not contain a standalone "force majeure" article as found in civil law systems such as France's Code Civil (Article 1218). Instead, Korean courts apply two overlapping doctrines:
- Impossibility of Performance (이행불능, Civil Act Article 390 and 546): A debtor is relieved of liability if the obligated performance becomes impossible due to a cause not attributable to the debtor. "Impossibility" must be objective and absolute — not merely economic hardship or increased costs.
- Changed Circumstances Doctrine (사정변경의 원칙): If the fundamental factual basis upon which a contract was concluded undergoes a drastic, unforeseeable change that makes enforcement manifestly unfair, a party may request court-ordered modification or termination of the contract. This doctrine is applied restrictively by Korean courts.
1.2 Contractual Force Majeure Clauses
Most sophisticated commercial contracts include an express force majeure clause. Under Korean law, such clauses are generally enforceable, but courts scrutinise them closely. A contractual force majeure clause will typically:
- Define qualifying events (e.g., acts of God, war, government action, pandemic);
- Specify notice obligations (typically 7–30 days from the triggering event);
- Suspend (rather than terminate) contractual obligations for the duration of the force majeure event;
- Provide for termination rights if the force majeure event persists beyond a specified period (typically 30–180 days).
2. What Qualifies as Force Majeure Under Korean Case Law?
Korean courts apply a three-prong test to determine whether an event constitutes force majeure sufficient to excuse performance:
- Externality (외부성): The event must be external to the parties — not arising from the obligor's own operations, management failures, or foreseeable business risks.
- Unforeseeability (예측불가능성): The event could not have been reasonably anticipated at the time the contract was concluded. Events that were known risks at the time of contracting (e.g., a pre-existing pandemic situation) may not qualify.
- Irresistibility (저항불가능성): The party could not reasonably have prevented or overcome the event even with due diligence and reasonable measures.
Critically, Korean courts have consistently held that economic hardship, increased costs, or a mere decline in profitability do not constitute force majeure, regardless of their severity. Only true impossibility of performance — or performance that would be fundamentally different from what was originally contracted — excuses the obligor.
3. COVID-19 and Korean Court Decisions
The COVID-19 pandemic generated significant Korean jurisprudence on force majeure and changed circumstances. Key holdings include:
3.1 Commercial Lease Disputes
The Seoul Central District Court (서울중앙지방법원) in several 2021–2022 decisions rejected tenants' force majeure defences in commercial lease disputes, holding that government-mandated business restrictions did not render lease obligations absolutely impossible — tenants remained physically able to pay rent, even if their revenues declined. However, some courts applied the changed circumstances doctrine to reduce rent obligations by 10–30% for the period of mandatory closure, where the parties had not negotiated any hardship adjustment mechanism.
3.2 Event and Venue Contracts
Courts treated COVID-19 government-ordered event cancellations more generously. In cases where government regulations explicitly prohibited gatherings (집합금지명령), the Supreme Court of Korea acknowledged that performance had become temporarily impossible due to a cause not attributable to either party, entitling both parties to restitution of prepaid amounts without liability for breach.
3.3 Construction and Supply Chain Disputes
Material shortages and labor disruptions attributable to COVID-19 were generally not accepted as force majeure in construction contracts governed by standard FIDIC or Korean standard construction terms, because contractors were expected to have contingency plans. Extended delays of 12+ months were occasionally accepted as grounds for price adjustment under the changed circumstances doctrine.
4. Grounds for Contract Termination (계약 해제/해지)
4.1 Statutory Termination Rights
Under the Korean Civil Act, a creditor may terminate a bilateral contract in the following circumstances:
- Default (채무불이행, Article 544): If the debtor fails to perform within a reasonable period after a demand for performance (최고), the creditor may terminate.
- Impossibility of Performance (Article 546): If performance has become objectively impossible due to the debtor's fault, the creditor may terminate immediately without a prior demand.
- Anticipatory Breach: Although not explicitly codified, Korean courts recognise anticipatory breach (이행거절) as a ground for immediate termination when the debtor unequivocally declares inability or refusal to perform.
4.2 해제 vs. 해지 — A Critical Distinction
Korean law distinguishes between two forms of contract termination that have significant practical consequences:
| Feature | 해제 (Haeje — Rescission) | 해지 (Haiji — Termination for Future) |
|---|
| Effect | Retroactive: contract deemed never formed; mutual restitution (원상회복) required | Prospective: contract terminated from the date of notice forward; no retroactive restitution |
| Applicable to | Executed (completed) contracts, one-time performance contracts | Continuing contracts (leases, service agreements, employment) |
| Damages | Full expectation damages + return of all performance | Prospective damages only |
| Statutory basis | Civil Act Articles 543–548 | Civil Act Article 550 |
Choosing the wrong form of termination is a common mistake by foreign parties — declaring haeje on a long-term lease, for example, does not entitle the tenant to a full refund of all past rent payments; haiji is the correct mechanism for ongoing contracts.
5. Notice and Procedure Requirements
Korean courts strictly enforce procedural requirements for contract termination:
- Prior demand (최고): For default-based termination, the creditor must first issue a written demand (최고서) giving the debtor a reasonable period to cure the breach (typically 7–30 days, depending on the nature of the obligation).
- Notice of termination (해제/해지 통보): The actual termination notice must clearly identify the ground for termination. Vague or insufficiently specific notices may be deemed ineffective by courts.
- Irrevocability: Once validly exercised, a termination right under Civil Act Article 543(2) is irrevocable, even if the terminating party later changes its mind.
6. Hardship and Renegotiation Obligations
Korean law does not impose a general statutory duty to renegotiate contracts upon hardship, unlike Article 6.2.3 of the UNIDROIT Principles. However, the principle of good faith (신의성실 원칙, Civil Act Article 2) has been used by courts to imply a limited duty to at least engage in discussions when performance becomes manifestly disproportionate due to changed circumstances. Parties who refuse all negotiation in bad faith may be denied full enforcement of strict contractual terms.
7. International Contracts and Choice of Law
When the governing law of a contract is disputed in Korea, Korean courts apply the Act on Private International Law (국제사법) to determine the applicable law. If Korean law governs, the full force majeure and termination framework described above applies. If foreign law governs (e.g., English law, New York law), courts will apply the relevant foreign law principles — but Korean mandatory rules (강행규정) such as consumer protection, labour law, and certain commercial rules will override contractual choice-of-law provisions.
For international commercial arbitration, KCAB International Arbitration Rules allow parties to choose the governing law freely; arbitral tribunals seated in Korea will apply the chosen law but may apply Korean mandatory rules where Korean interests are significantly engaged.
8. Practical Drafting Recommendations
When drafting or reviewing Korean-law-governed contracts, HANBYOL LAW LLC recommends the following force majeure and termination provisions:
- Define force majeure events specifically: Include government-mandated restrictions, pandemics, cyberattacks, and supply chain disruptions — do not rely on generic "acts of God" language.
- Include a hardship clause: Provide an explicit renegotiation mechanism triggered by events causing material hardship (e.g., 20%+ cost increase), separate from force majeure.
- Specify termination procedures: Define notice periods, the cure period, and whether 해제 or 해지 is intended for different breach scenarios.
- Include a liquidated damages clause: Korean courts generally enforce liquidated damages (위약금) clauses but may reduce them if they are "excessively large" under Civil Act Article 398(2).
- Include a dispute resolution clause: Specify KCAB arbitration or Korean court jurisdiction, and the governing law explicitly.
Frequently Asked Questions (FAQ)
Q1: Does the COVID-19 pandemic automatically excuse contractual non-performance under Korean law?
A: No. Korean courts have consistently rejected automatic COVID-19 force majeure defences in most commercial contexts. Whether COVID-19 excuses performance depends on whether government orders directly prohibited the specific performance in question — not merely reduced its profitability. Always review the specific obligations at issue and the applicable contract terms.
Q2: Can a foreign party invoke the "changed circumstances" doctrine to renegotiate a Korean-law contract?
A: The changed circumstances doctrine (사정변경의 원칙) is available in principle, but Korean courts apply it very restrictively. The party must demonstrate that: (i) circumstances changed fundamentally after the contract was formed; (ii) the change was unforeseeable; and (iii) holding the party to the original terms would be grossly unfair. Economic downturns, currency fluctuations, and ordinary business risks generally do not meet this standard.
Q3: What happens to advance payments when a contract is terminated due to force majeure?
A: Under the Civil Act, if performance becomes impossible due to causes not attributable to either party, neither party is liable for breach — but the parties must restore each other to the pre-contractual position (원상회복). This means advance payments must be refunded. However, if one party was at fault, the at-fault party bears the risk of the payment.
Q4: How is the 최고 (prior demand) notice properly delivered under Korean law?
A: The notice should be in writing (certified mail, email with read receipt, or notarial delivery recommended). The demand must specify: (i) the exact obligation to be performed; (ii) the deadline for cure (typically 7–30 days); and (iii) the consequence of non-cure (termination). Courts have invalidated demands that were too vague or did not provide a reasonable cure period.
Q5: Can force majeure suspend, as opposed to terminate, contractual obligations?
A: Yes. Korean courts generally treat force majeure as a suspensive ground — obligations are temporarily suspended during the force majeure event, not permanently extinguished. Permanent impossibility (영구적 이행불능) leads to termination; temporary impossibility leads to a delay without liability for the delay period. Well-drafted force majeure clauses should explicitly address whether suspension or termination is the consequence, and for how long.
Q6: Does Korean law recognise force majeure in employment contracts?
A: Employment relationships are primarily governed by the Labor Standards Act (근로기준법), not the Civil Act. The LSA does not contain a force majeure provision. Employers facing genuine impossibility of operations (e.g., factory destroyed by natural disaster) must follow the LSA's redundancy dismissal procedures (정리해고) and pay statutory severance. Unilateral invocation of force majeure to avoid severance obligations would be unlawful.
Q7: If I terminate a Korean construction contract due to force majeure, am I entitled to compensation for sunk costs?
A: If performance becomes impossible due to force majeure (no fault of either party), neither party owes damages for breach under Civil Act Articles 390 and 546. However, the contractor is entitled to compensation for work already completed (기성고 정산) on a quantum meruit basis. If the owner terminates a construction contract for reasons not attributable to the contractor (e.g., force majeure affecting the owner), the contractor is entitled to full completion costs under Civil Act Article 673.
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📋 韩国法律解析 | 商业法
作者：NOH UJIN 律师 | HANBYOL LAW LLC，首尔
韩国法下的不可抗力与合同终止：国际企业实务指南
新冠疫情、地缘政治动荡、气候相关自然灾害及供应链危机，使不可抗力条款从合同样板文字升级为至关重要的合同条款。对于适用韩国法律的企业——或在韩国合同法管辖的纠纷中——了解韩国法院如何解释不可抗力、《民法典》（민법）中불가항력的范围以及合同终止的事由至关重要。
一、法律框架：民法典与约定不可抗力
1.1 民法典（민법）——法定框架
韩国民法典并未设立独立的"不可抗力"条款。韩国法院适用两个交叠学说：履行不能（이행불능，民法第390、546条）和情势变更原则（사정변경의 원칙）。不可能性必须是客观且绝对的——仅有经济困难或成本增加不构成履行不能。
二、韩国判例下的不可抗力认定标准
韩国法院适用三要件判断：外部性（외부성）——事件须源于当事方外部；不可预见性（예측불가능성）——签约时合理不可预见；不可抗拒性（저항불가능성）——即使尽到注意义务也无法预防。经济困难、成本增加或盈利能力下降均不构成不可抗力。
三、新冠疫情与韩国法院裁决
3.1 商业租赁纠纷
首尔中央地方法院在2021-2022年的多份判决中驳回了承租人的不可抗力抗辩，认为政府强制性营业限制并未使租金支付义务绝对不能履行。但部分法院依据情势变更原则，在强制歇业期间将租金减少10%-30%。
3.2 活动与场地合同
政府命令直接禁止集会（집합금지명령）的情形，韩国最高法院承认为双方均无过错下的临时履行不能，双方均有权返还预付款，不承担违约责任。
四、合同终止的法律依据
4.1 해제（溯及终止）与해지（向后终止）
韩国法律区分두种合同终止方式：
| 要素 | 해제（溯及终止/撤销） | 해지（向后终止） |
|---|
| 效力 | 溯及：合同视为自始未成立，须互相返还 | 向后：仅终止通知后的义务 |
| 适用合同 | 一次性履行合同 | 继续性合同（租赁、服务、劳动） |
| 法律依据 | 民法第543-548条 | 民法第550条 |
五、起草建议
起草或审查受韩国法管辖的合同时，建议：明确列举不可抗力事件（含政府强制措施、疫情、网络攻击、供应链中断）；设立独立的困难重谈机制；明确约定适用해제还是해지；约定违约金条款（韩国法院可依民法第398条第2款降低过高违约金）。
常见问题（FAQ）
Q1：新冠疫情是否自动免除韩国法下的合同履行义务？
A：不是。韩国法院一贯拒绝在大多数商业情形中适用新冠疫情自动不可抗力抗辩。只有政府命令直接禁止特定履行行为时，才可能援引不可抗力。
Q2：外国当事方能否援引情势变更原则重谈韩国法合同？
A：理论上可以，但韩国法院适用极为严格。须证明：签约后情势发生根本性变化；变化不可预见；坚持原条款明显不公平。经济衰退、汇率波动等通常不符合标准。
Q3：因不可抗力终止合同时，预付款如何处理？
A：如因双方均无过错的原因导致履行不能，双方须互相返还（원상회복）。预付款须退还。
Q4：催告通知（최고）如何正式送达？
A：应书面送达（建议挂号信、电子邮件附阅读回执或公证送达），须写明：需履行的确切义务、补救期限（通常7-30天）及不履行的后果（终止）。
Q5：韩国建筑合同因不可抗力终止后，已沉没成本如何处理？
A：如因不可抗力导致履行不能，承包商无权要求全额损害赔偿，但有权按已完工作（기성고 정산）获得相应补偿。
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📋 韓国法律インサイト | ビジネス法
執筆：NOH UJIN 弁護士 | HANBYOL LAW LLC、ソウル
韓国法における不可抗力と契約終了：国際ビジネス向け実務ガイド
新型コロナウイルスのパンデミック、地政学的混乱、気候関連の自然災害、サプライチェーンの危機は、不可抗力条項を定型的な文言から契約上の最重要規定へと押し上げました。韓国法が適用される契約や韓国契約法が支配する紛争においては、「民法（민법）」のもとで不可抗力がどのように解釈されるかを理解することが不可欠です。
1. 法的枠組み
1.1 民法（민법）— 法定枠組み
韓国民法は独立した不可抗力条項を設けていません。韓国裁判所は二つの重複する法理を適用します：履行不能（이행불능、民法第390条・546条）と事情変更の原則（사정변경의 원칙）。不能は客観的かつ絶対的でなければなりません——経済的困難やコスト増加だけでは不十分です。
2. 不可抗力の認定基準
韓国裁判所は三要件で判断します：外部性（외부성）、予見不可能性（예측불가능성）、抗拒不可能性（저항불가능성）。経済的困難や収益性の低下は不可抗力を構成しません。
3. 新型コロナウイルスと韓国裁判所の判断
3.1 商業用賃貸借紛争
ソウル中央地方裁判所は2021〜2022年の複数の判決において、テナントの不可抗力の抗弁を退けました。政府の営業制限命令は賃料支払いを絶対的に不可能にするものではないとされました。ただし一部の裁判所は事情変更の原則を適用し、強制閉店期間中の賃料を10〜30%減額しました。
4. 契約解除（해제）と契約解約（해지）の区別
| 要素 | 해제（遡及解除） | 해지（将来的解約） |
|---|
| 効果 | 遡及的：契約は当初から無効として双方原状回復義務 | 将来的：解除通知以降の義務のみ消滅 |
| 適用対象 | 一回的給付契約 | 継続的契約（賃貸借、サービス、雇用） |
| 法的根拠 | 民法第543〜548条 | 民法第550条 |
よくある質問（FAQ）
Q1：新型コロナウイルスは韓国法上自動的に契約上の履行義務を免除しますか？
A：いいえ。韓国裁判所は多くの商業場面でCOVID-19の自動的不可抗力の抗弁を一貫して退けています。政府命令が特定の履行行為を直接禁止した場合のみ援用可能です。
Q2：外国当事者は事情変更の原則を援用して韓国法契約を再交渉できますか？
A：理論上は可能ですが、適用は非常に厳格です。経済不況や為替変動は通常この基準を満たしません。
Q3：不可抗力で契約終了した場合、前払金はどうなりますか？
A：双方に帰責事由なく履行不能となった場合、双方は原状回復義務を負います。前払金は返還されます。
Q4：催告（최고）通知の適切な送達方法は？
A：書面で行うことが推奨されます（配達証明付き書留、開封確認付きメール、または公証送達が望ましい）。履行すべき具体的義務、補完期限（通常7〜30日）、不履行の結果を明記する必要があります。
Q5：不可抗力は韓国法上契約義務を終了ではなく一時停止できますか？
A：はい。韓国裁判所は一般的に不可抗力を一時停止事由として扱います。永続的な履行不能が終了、一時的な履行不能は当該期間中の遅延責任免除につながります。
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📋 Perspectiva Legal Coreana | Derecho Mercantil
Por el Abogado NOH UJIN | HANBYOL LAW LLC, Seúl
Fuerza Mayor y Resolución de Contratos bajo la Ley Coreana: Guía Práctica para Empresas Internacionales
La pandemia del COVID-19, las perturbaciones geopolíticas, los desastres naturales relacionados con el clima y las crisis de cadena de suministro han elevado las cláusulas de fuerza mayor de simple texto estándar a disposiciones contractuales de importancia crítica. Para empresas que operan bajo la ley coreana, comprender cómo los tribunales coreanos interpretan la fuerza mayor y el Código Civil (민법) resulta esencial.
1. Marco Jurídico
1.1 El Código Civil (민법) — Marco Legal
El Código Civil coreano no contiene un artículo independiente de "fuerza mayor". Los tribunales coreanos aplican dos doctrinas superpuestas: imposibilidad de cumplimiento (이행불능, Artículos 390 y 546) y el principio de cambio de circunstancias (사정변경의 원칙). La imposibilidad debe ser objetiva y absoluta; la mera dificultad económica o el aumento de costos no son suficientes.
2. Criterios para Calificar la Fuerza Mayor
Los tribunales coreanos aplican un test de tres elementos: exterioridad (외부성), imprevisibilidad (예측불가능성) e irresistibilidad (저항불가능성). La dificultad económica, el aumento de costos o la disminución de la rentabilidad no constituyen fuerza mayor.
3. COVID-19 y Decisiones Judiciales Coreanas
3.1 Disputas de Arrendamiento Comercial
El Tribunal Central de Distrito de Seúl rechazó en varias decisiones (2021-2022) las defensas de fuerza mayor de los arrendatarios, estableciendo que las restricciones gubernamentales no hacían imposible el pago del alquiler. Sin embargo, algunos tribunales aplicaron el principio de cambio de circunstancias para reducir el alquiler entre un 10-30% durante los períodos de cierre obligatorio.
4. Resolución (해제) vs. Terminación (해지)
| Elemento | 해제 (Rescisión Retroactiva) | 해지 (Terminación Prospectiva) |
|---|
| Efecto | Retroactivo: contrato se considera nunca formado; restitución mutua obligatoria | Prospectivo: termina obligaciones desde la notificación hacia adelante |
| Aplicable a | Contratos de ejecución instantánea | Contratos continuos (arrendamiento, servicios, empleo) |
| Base legal | Artículos 543-548 Código Civil | Artículo 550 Código Civil |
Preguntas Frecuentes (FAQ)
P1: ¿Excusa automáticamente el COVID-19 el incumplimiento contractual bajo la ley coreana?
R: No. Los tribunales coreanos han rechazado consistentemente las defensas automáticas de fuerza mayor por COVID-19 en la mayoría de los contextos comerciales. Solo cuando las órdenes gubernamentales prohíben directamente la prestación específica puede invocarse la fuerza mayor.
P2: ¿Puede una parte extranjera invocar el cambio de circunstancias para renegociar un contrato regido por ley coreana?
R: En principio sí, pero los tribunales lo aplican con gran restricción. Las recesiones económicas o fluctuaciones cambiarias generalmente no cumplen el estándar.
P3: ¿Qué ocurre con los pagos anticipados cuando se resuelve un contrato por fuerza mayor?
R: Bajo el Código Civil, si la imposibilidad de cumplimiento no es imputable a ninguna de las partes, ambas deben restituirse mutuamente (원상회복). Los pagos anticipados deben devolverse.
P4: ¿Cómo se realiza correctamente la notificación de requerimiento (최고)?
R: Debe ser por escrito (correo certificado, email con acuse de recibo, o notaría). Debe especificar: la obligación exacta a cumplir, el plazo para subsanar (generalmente 7-30 días) y la consecuencia de no cumplir.
P5: ¿La fuerza mayor puede suspender, en lugar de terminar, las obligaciones contractuales?
R: Sí. Los tribunales coreanos tratan generalmente la fuerza mayor como causa suspensiva. La imposibilidad permanente lleva a la terminación; la temporal, a una dilación sin responsabilidad.
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