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South Korea Customs Smuggling Penalties: Surcharge, Fine & Penalty Tax

Atlas Legal published detailed commentary on the full financial liability structure arising from smuggling charges under South Korea’s Customs Act — covering the domestic wholesale price surcharge, mandatory fines under the Special Cases Act, and penalty taxes assessed upon criminal conviction.

Scope of the Commentary

This commentary addresses cases prosecuted under Article 269(2) of South Korea’s Customs Act (smuggling) and Article 6 of the Act on Special Cases Concerning the Punishment of Specific Crimes. The analysis covers common fact patterns including misuse of simplified clearance (목록통관), name-splitting schemes, and freight forwarder misprocessing, and reflects current enforcement practice at Incheon Main Customs and Incheon Airport Customs.

The Surcharge: Why the Domestic Wholesale Price Standard Matters

Under Article 282(3) of the Customs Act, when smuggled goods cannot be physically seized, the court must order a surcharge equal to the domestic wholesale price of the goods at the time of the offense. The Supreme Court defines this as the price including import duties, customs clearance costs, and a reasonable profit margin — not the defendant’s actual acquisition cost (Supreme Court, September 21, 2017, 2017Do8611). When smuggling continues over multiple years and all goods have been sold, the surcharge applies to the entire cumulative volume. Prosecutors typically estimate this figure by multiplying the defendant’s declared import cost by a standard factor, which frequently overstates the actual market price and creates a meaningful opportunity for reduction through defense advocacy.

Mandatory Fine Under the Special Cases Act

When a single smuggling incident involves goods valued at KRW 200 million or more, Article 6(6)(2) of the Special Cases Act mandates a fine equal to twice the goods’ value alongside imprisonment — with no judicial discretion to waive it. A defendant who receives a suspended sentence on goods valued at KRW 300 million will nonetheless receive a mandatory fine of KRW 600 million. This threshold is measured per incident, not as the aggregate of multiple shipments. Below KRW 200 million per incident, a concurrent fine is discretionary under Customs Act Article 275.

Penalty Taxes and Co-defendant Surcharge Exposure

Upon criminal conviction under Article 269, a penalty tax of 60% of applicable customs duties is imposed under Article 42(3)(1) of the Customs Act, in addition to the surcharge and any fine. For under-valuation cases, a separate 60% penalty tax on underpaid duties applies under Article 42(2). When multiple defendants are charged together, South Korean courts may impose the full surcharge amount on each co-conspirator independently, consistent with the Supreme Court’s confirmation that customs surcharges serve a punitive function (Supreme Court, April 14, 2006, 2006Do638). If one party pays in full, enforcement against the remaining co-defendants is released.

Surcharge Reduction and Early Defense Engagement

Because Article 282(3) requires the actual domestic wholesale price — not a formula-based estimate — there is frequently a gap between the prosecution’s figure and what can be established through market evidence, distributor records, and formal fact-finding requests. This work is most effective when defense counsel is engaged during the investigation phase, before the indictment locks in the prosecution’s surcharge calculation. Customs violations involving Incheon Port or Incheon Airport are investigated by Incheon Main Customs (인천본부세관), a specialized agency with independent investigative authority. Counsel should be retained before the first investigative interview.

Atlas Legal’s Customs Criminal Practice

Atlas Legal is based in Incheon Songdo and handles customs criminal defense matters before Incheon Main Customs, the Incheon District Prosecutors’ Office, and Incheon District Court. The firm’s lead attorney is a former prosecutor with specialized experience in customs law enforcement and financial penalty litigation, including surcharge reduction proceedings in South Korea customs criminal cases.

Read the full commentary here

March 21, 2026

Legal Commentary

CISG vs. Korean Commercial Code: 6 Key Differences

This is a case commentary on a matter in which Atlas Legal published detailed analysis comparing CISG and South Korea’s Commercial Code across six key issues, with direct citation of operative statutory provisions.

Commentary Overview

South Korea ratified the CISG in 2004, with the Convention entering into force domestically on March 1, 2005. Because the majority of South Korea’s major trading partners — including the United States, China, Germany, and France — are CISG Contracting States, the Convention applies by default to a large share of international goods transactions involving Korean companies. In practice, contracts that omit a governing law clause are among the most common sources of cross-border commercial disputes, particularly where the CISG and South Korea’s Commercial Code reach materially different conclusions on the same issue.

Scope of Application — Place of Business vs. Merchant Status

CISG Article 1(1) applies the Convention to contracts between parties whose places of business are in different Contracting States, without regard to nationality or merchant status (Article 1(3)). South Korea’s Commercial Code Articles 67–71, by contrast, apply on the premise of a sale between merchants. CISG Article 6 permits parties to exclude the Convention by agreement, meaning any Korean company that wishes to be governed solely by the Commercial Code must include an express exclusion clause in the contract.

Trade Usage — Implicit Incorporation vs. Legal-Norm Threshold

CISG Article 9(2) implicitly incorporates trade usages that are widely known and regularly observed in international trade of the type involved, even without express agreement between the parties. Internationally recognized terms such as Incoterms may therefore bind parties under the CISG without being specifically referenced in the contract. South Korea’s Commercial Code Article 1, by contrast, grants legal-source status only to commercial custom law — trade practices that have crystallized into binding legal norms — a significantly higher threshold. Where only the Commercial Code applies, implicit incorporation of trade usage is generally unavailable.

Contract Formation — Effect of Silence

CISG Article 18(1) provides that silence or inactivity does not in itself amount to acceptance, subject to exceptions where a relevant course of dealing exists under Article 9(1). South Korea’s Commercial Code Article 53 imposes a mandatory duty to respond: a merchant who receives an offer from a standing trading partner and fails to dispatch a notice of acceptance or rejection without delay is deemed to have accepted. The former dispatch-theory rule for absent-party contracts under old Article 52 was deleted on May 14, 2010, so both instruments now apply the receipt theory for contract formation — but the silence-as-acceptance deemed rule under Article 53 remains a significant practical difference.

Defect Notification — Two-Year vs. Six-Month Outer Limit

CISG Article 39(2) allows the buyer up to two years from the date of actual delivery to give notice of non-conformity, and the notification standard under Article 39(1) requires only that notice be given within a reasonable time after discovery. South Korea’s Commercial Code Article 69(1) imposes an outer limit of six months from delivery for latent defects and requires immediate dispatch of notice. A critical qualification under Korean law: the Supreme Court held in Case No. 2013Da522 (June 24, 2015) that Article 69(1) applies only to warranty claims under Civil Code Article 580, not to damages claims based on incomplete performance under Civil Code Article 390. A buyer who has missed the six-month window may still recover by reframing the claim as incomplete performance, though the burden of proving the seller’s fault then falls on the buyer.

Contract Avoidance — Notice Required vs. Automatic Deemed Avoidance

CISG Article 26 provides that a declaration of avoidance is effective only if made by notice to the other party — there is no automatic avoidance under the CISG under any circumstances. South Korea’s Commercial Code Article 68 takes the opposite approach: in a fixed-time sale, if the non-breaching party fails to immediately demand performance after the deadline passes, the contract is automatically deemed avoided by operation of law. Whether the contract survives or terminates turns entirely on which regime applies — and which party takes action first in the moments after a missed deadline.

Atlas Legal’s Practice in International Transactions

Atlas Legal advises clients on international goods contracts with a focus on governing law selection, CISG opt-out drafting, defect notification management, and avoidance procedure. The firm’s practice spans corporate advisory, international commercial disputes, and cross-border contract review, with experience across a wide range of industries involving South Korean counterparties.

Read the full commentary here

March 18, 2026

Case Analysis, winning case

Provisional Attachment on Court Deposit Cancelled — Non-Recourse Mortgagor

This is a case commentary on a matter in which Atlas Legal secured cancellation of a provisional attachment over a third-party court deposit after the principal proceedings conclusively established that no preserved right existed against the depositor under South Korean law.

Case Overview

X deposited KRW 92 million with a South Korean court on behalf of a friend, A, to secure a stay of compulsory execution — thereby acquiring the status of a non-recourse mortgagor. Mortgagee Y had already recovered KRW 774,094,451 through compulsory auction proceeds and the full KRW 38 million deposited for Y’s account, yet subsequently sought a provisional attachment over X’s right to withdraw the remaining deposit funds (those allocated for other creditors B and C), claiming interest losses of KRW 54,884,565 attributable to the enforcement stay. Y also filed a direct damages claim against X in the principal proceedings. The South Korean court dismissed X’s claim in the principal proceedings, and that dismissal became final.

Provisional Attachment Cancellation Based on Changed Circumstances — Article 288(1) of the Civil Execution Act

A provisional attachment (가압류) freezes a debtor’s assets in advance of a principal judgment. Under Article 288(1) of the Civil Execution Act of South Korea, a court may cancel a provisional attachment when circumstances have materially changed — including where it becomes clear that the preserved right never existed against the respondent in the first place. A final dismissal judgment in the principal proceedings constitutes decisive evidence of that non-existence and removes the legal foundation for maintaining the attachment.

Liability of a Non-Recourse Mortgagor — Fixed at the Amount Deposited at the Time

A non-recourse mortgagor (물상보증인) under South Korean law bears no personal obligation and is liable only within the security it has provided. X deposited KRW 38 million specifically for Y, and X’s exposure to Y was therefore capped at that amount. Y argued that because a related court had determined Y’s mortgage share to be one-half, Y was entitled to half of KRW 92 million — i.e., KRW 46 million — and claimed an additional KRW 8 million after deducting the KRW 38 million already received. The court rejected this: the depositor’s liability is fixed at the amount allocated at the time of deposit, and a subsequent determination of the creditor’s actual share does not retroactively expand that liability.

Limits of the Pledge Analogy — No Direct Claim Under Article 353 of the Civil Act

A creditor holding security deposited for a stay of enforcement acquires rights equivalent to those of a pledgee, but the object of that pledge is the deposit money itself — not an underlying receivable. For Y to exercise a direct claim against X under Article 353 of the Civil Act, X would need to be the obligor of the pledged receivable, which X is not. The court further held that the obligation to provide security to a court constitutes an indirect duty (책무, Obliegenheit): non-performance results only in the statutory disadvantage prescribed by law — such as revocation of the enforcement stay — and does not entitle the opposing party to compel performance or claim damages, even if a third party assumed the obligation jointly.

The Court’s Decision to Cancel the Provisional Attachment

The Incheon District Court accepted X’s application on 15 December 2023 and cancelled both the provisional attachment order and the correction order obtained by Y. The court held that because X bore only limited in rem liability as a non-recourse mortgagor, Y had never acquired a preserved right — a damages claim — against X in the first place. Y’s arguments based on a separate collection order against A and on a claim to additional funds based on a post-deposit share determination were both rejected.

Legal Expertise

Atlas Legal, based in Incheon Songdo, South Korea, handles complex civil enforcement disputes including provisional attachment and injunction proceedings. Our team advises on the legal status of third-party depositors, the fixed liability limits of non-recourse mortgagors under South Korean law, and the grounds for cancelling conservatory measures — from initial assessment through to the final court decision.

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March 17, 2026

Case Analysis, Legal Commentary

CISG Governs Korea-Netherlands Goods Contracts — Case 2021Da269388

This is a case commentary on a matter in which the Supreme Court of South Korea held that the United Nations Convention on Contracts for the International Sale of Goods (CISG) governs goods sale contracts between South Korean and Dutch companies on a priority basis, that limitation periods fall entirely outside the CISG’s scope, and that South Korean courts are obliged to investigate the applicable governing law ex officio even when the parties remain silent on the issue (Supreme Court, 13 January 2022, Case 2021Da269388).

Case Overview

The plaintiff, a Dutch company, supplied wristwatches to the defendant, a South Korean company, from approximately 2007 to 2014, and brought a claim for the outstanding purchase price. At the appellate stage, the defendant raised a statute of limitations defense. The lower court accepted this defense on the assumption that Korean civil law applied as a matter of course and dismissed the claim. The Supreme Court reversed, finding that the lower court had misapplied the governing law framework, and remanded the case to the Seoul Southern District Court.

CISG Takes Priority Over Domestic Legislation

The Supreme Court confirmed that since both South Korea and the Netherlands are CISG contracting states, the CISG applies automatically to goods sale contracts between companies from these two countries under Article 1(1)(a) — taking precedence over the Korean Civil Act, the Commercial Act, and the Private International Law Act. This principle had previously been established in Supreme Court, 24 March 2016, Case 2013Da81514. The fact that neither party raised the governing law issue during the proceedings did not alter this conclusion.

Statute of Limitations Falls Outside the CISG’s Scope

The CISG governs the formation of sales contracts and the rights and obligations of sellers and buyers, but expressly excludes contractual validity, the effect of the contract on title to goods, and — as was at issue here — the statute of limitations (CISG Article 4). For matters outside the CISG’s scope, the governing law must be determined separately under the conflict-of-laws rules of the forum. Where the parties have not chosen a governing law, the law of the seller’s principal place of business is presumed to be most closely connected with the contract under Article 26(2)(i) of South Korea’s Private International Law Act — meaning Dutch law, not Korean law, could have governed the limitation period in this case.

Courts Must Investigate Governing Law Ex Officio

The Supreme Court reaffirmed that foreign law applicable as governing law is treated as law — not fact — and must therefore be investigated by the court on its own initiative (Supreme Court, 10 April 1990, Case 89DaKa20252; Supreme Court, 24 December 2019, Case 2016Da222712). Even where no party raises the governing law issue, the court is obliged to actively exercise its power of inquiry, afford the parties an opportunity to submit their views, and investigate the applicable governing law. The Court also clarified that silence on the governing law issue during proceedings is insufficient to establish a tacit choice of law under Article 25(1) of the Private International Law Act.

“Governed by Korean Law” Does Not Exclude the CISG

A governing law clause stating “this agreement shall be governed by the laws of the Republic of Korea” does not, by itself, exclude the CISG. As a ratified treaty, the CISG forms part of Korean law; designating “the laws of the Republic of Korea” therefore incorporates the CISG rather than displacing it. This position is consistent with the CISG Advisory Council’s Opinion No. 16 (Rapporteur: Professor Sieg Eiselen, 2014) and the decisions of courts in Germany and Austria. To exclude the CISG entirely, the contract must contain an express exclusion clause in accordance with Article 6 of the CISG.

Practical Implications for International Trade Contracts

This ruling underscores the importance of addressing CISG applicability explicitly in every international sales contract involving a South Korean counterparty. A governing law clause must not only specify which country’s law applies, but also (1) state clearly whether the CISG is excluded or retained under Article 6, and (2) designate which domestic law governs matters the CISG does not cover — including limitation periods, contractual validity, and the transfer of title. Atlas Legal advises on CISG applicability assessments, governing law clause drafting, and cross-border litigation and arbitration strategy involving South Korean parties.

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March 16, 2026

Case Analysis, Legal Commentary

Foreign Company Korea Branch Manager: Executive or Employee?

Attorney Taejin Kim of Atlas Legal analyzes Supreme Court Decision 2012Da10959 and Seoul High Court Decision 2021Na2044662 to explain the legal standard South Korean courts apply when determining whether a foreign company’s branch manager is a delegated executive or a protected employee under the Labor Standards Act.

Overview

This post analyzes two South Korean court decisions addressing the legal status of foreign company branch managers in Korea: Supreme Court Decision 2017. 11. 9., 2012Da10959 (MetLife non-registered executive case) and Seoul High Court Decision 2022. 9. 21., 2021Na2044662 (Taiwan-based multilevel marketing company Korea subsidiary branch manager case). Both decisions concluded that the individuals in question were not employees under the Labor Standards Act. Together, they form the primary precedential framework for understanding executive contract structure and dismissal risk at foreign-invested companies operating in South Korea.

The Two-Step Framework for Distinguishing Executives from Employees

Supreme Court Decision 2012Da10959 established a two-step framework that South Korean courts continue to apply. First, even a corporate officer can qualify as an employee under the Labor Standards Act if, in substance, they perform fixed work under the specific direction and supervision of the CEO and receive compensation as consideration for that work. Second, where the overall character of the work goes beyond subordinate labor provision and the person independently manages delegated affairs, they cannot be classified as an employee. The decisive question is not the title or contract language, but the substance of the actual work relationship.

Why a “Labor Law Clause” in the Contract Does Not Help

In the Seoul High Court case, the employment contract expressly stated that “the Korean Labor Standards Act shall apply in detail.” Despite this, the court held that because the person was, in substance, a delegated executive, the Labor Standards Act’s dismissal provisions did not apply. The branch manager had independently decided on hiring, dismissal, and promotions; designed and executed promotions without headquarters approval; and received a monthly bonus equal to 1% of revenue — all hallmarks of an executive managing delegated affairs. Inserting a boilerplate reference to the Labor Standards Act cannot override the substantive reality of the working relationship (Seoul High Court Decision 2022. 9. 21., 2021Na2044662).

Structural Reasons Why Foreign Company Branch Managers Are Particularly Likely to Be Classified as Executives

The Seoul High Court emphasized that, because the Taiwanese headquarters oversaw subsidiaries across South Korea, Hong Kong, Singapore, Thailand, Malaysia, and Japan, the practical need to delegate day-to-day management authority to local branch managers was substantial. The court also recognized that areas such as production contracts with Korean companies, local promotions, and distributor management involved South Korea-specific legal and regulatory considerations that made uniform direction from abroad impractical. The headquarters’ direct involvement in product selection and pricing was explained as a brand consistency requirement across all subsidiaries — not evidence of general supervisory control. Partial headquarters involvement does not negate overall executive status where independent management authority was in fact exercised.

Non-Registered Executives Are Also Outside Labor Law Protection

Supreme Court Decision 2012Da10959 made clear that non-registered executives (미등기임원) are equally subject to the executive-versus-employee analysis. In that case, the plaintiff was a non-registered Senior Vice President (상무) at a large foreign-invested life insurance company who served as Function Head for the Bancassurance and Direct Marketing business unit, with sole decision-making authority over medium- and long-term business plans, annual volume planning, promotional expenditure, and branch network structure. He participated in the Steering Committee alongside registered directors and received executive-level compensation and benefits. The Supreme Court held that he occupied the position of one comprehensively delegated an entire specialized field, not a subordinate employee. Registration status alone is not determinative.

Legal Constraints on Dismissal — Civil Act Article 689 and Unpaid Compensation

Executives fall outside the Labor Standards Act’s dismissal requirements — written notice, advance notice, and just cause. Under Civil Act Article 689(1), either party may terminate a mandate agreement at any time. However, Article 689(2) provides that a party that terminates at a time unfavorable to the other without unavoidable cause must compensate the other for resulting damages. In Seoul High Court Decision 2021Na2044662, the wrongful dismissal claim was dismissed, but the company was ordered to pay KRW 20,338,660 in unpaid contractual compensation through the date of termination. The right to contractual compensation under the mandate agreement survives classification as an executive; statutory severance and advance-notice pay under the Labor Standards Act are not available.

Legal Expertise

Atlas Legal, based in Incheon Songdo, South Korea, provides legal services in corporate advisory, corporate disputes, and corporate criminal defense, with experience across executive contract structuring, management disputes, and dismissal risk assessment for both foreign-invested and domestic companies. As these two decisions demonstrate, the most cost-effective approach to executive disputes is prevention at the contract drafting stage — how the executive relationship is structured at the outset shapes the contours of any dispute that may arise later. Atlas Legal provides counsel from contract design through litigation if needed.

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March 15, 2026

Case Analysis, Legal Commentary

Subcontract Price Reduction South Korea – Legitimate Grounds Analysis

Under Article 11(1) of South Korea’s Fair Transactions in Subcontracting Act, reducing an agreed subcontract price is presumptively prohibited. A reduction based on raw material cost declines or exchange-rate movements requires prior agreement, a bidirectional adjustment history, and a rationally calculated amount — all three must be established.

Case Background

An automotive air-conditioning parts manufacturer carried out 106 lump-sum price reductions against 45 subcontractors between 2015 and 2017, totaling approximately KRW 8 billion. The Korea Fair Trade Commission (KFTC) found the reductions unlawful and imposed surcharges of approximately KRW 11.7 billion. The Seoul High Court, in its February 2, 2023 judgment in Case 2020Nu64561, upheld the KFTC’s determination on nearly all counts after scrutinizing the company’s internal documents, emails, and negotiation records.

The Prohibition and Burden of Proof

Article 11(1) of the Subcontracting Act prohibits price reductions by default; the burden of proving legitimate grounds rests entirely on the primary contractor. The court confirmed that the prohibition extends to amounts expected to become payable in the future, not merely amounts already accrued. Under Supreme Court Decision 2010Da53457 (January 27, 2011), even where a reduction agreement is civilly valid, a primary contractor that reduces prices without the subcontractor’s genuine consent — exploiting its superior bargaining position — commits an unlawful act giving rise to liability in damages.

Requirements for a Legitimate Raw-Material-Based Reduction

The court held that four cumulative conditions must be met: (1) a prior agreement to adjust unit prices in line with raw material cost changes; (2) a documented history of periodic adjustments under that agreement; (3) bidirectionality — unit prices must have been raised when material costs increased; and (4) a reduction amount that does not exceed the actual decrease in the subcontractor’s production costs. Of the 106 reductions examined, the court accepted legitimate grounds for only the single item (Line Item 71) where all four conditions — including a six-out-of-ten upward adjustment history for aluminum (A3003) and a contemporaneous email showing the exact calculation — were documented.

Exchange-Rate-Based Reductions: The Court’s Approach

The court applied the same rigorous standard to exchange-rate-based reductions. For one subcontractor, transaction records showed that after rate-linked adjustments ending around 2009–2011, unit prices were held constant for approximately six to eight years — through substantial rate movements in both directions — before lump-sum reductions were demanded in 2016–2017. The court found the claim that rate adjustments had been “accidentally omitted” for half a decade implausible, and noted that continued reductions after the first one, without restoring unit prices in the interim, was behavior inconsistent with a genuine correction of an oversight. LSP agreements that stated reasons inconsistent with exchange-rate adjustments, or that were fabricated after the KFTC’s on-site investigation, were given no weight.

Assessing Voluntary Consent

A subcontractor’s signature on an agreement does not establish voluntary consent. Courts evaluate the primary contractor’s market dominance, the subcontractor’s revenue dependence (approximately 60–80% in this case), the circumstances of the negotiation, and the financial impact on the subcontractor. Where dependence is high, a subcontractor’s signature — or a post-investigation confirmation letter provided by its personnel — will receive limited evidential weight.

Legal Expertise

Atlas Legal advises both primary contractors and subcontractors on supply-chain contract structure, KFTC investigations, and administrative litigation in South Korea. The firm’s practice spans unfair subcontracting disputes, competition law compliance, and corporate contract advisory across a range of industries and transaction structures.

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