# Korea Customs finds $410 million tariff-rate quota abuse across 10 firms *The agency will tighten declaration deadlines and surcharge caps after 10 food importers evaded 58.6 billion won in taxes by inflating prices and hoarding stock.* **Published:** September 10, 2026 **By:** Dae-hyun Kim **Section:** Trade & Industrial Policy — South Korea **Format:** Breaking **Confidence:** medium **Source:** https://eastasiabrief.com/trade-policy/korea-customs-finds-410-million-tariff-rate-quota-abuse-229 **Publisher:** East Asia Brief (https://eastasiabrief.com/) --- ## What to know - Korea Customs uncovered 546.8 billion won in tariff-rate quota abuse across 10 food importers - Companies evaded 58.6 billion won in taxes through invoice manipulation, quota hoarding and dummy entities - Proposed Customs Act amendments cut import filing deadlines to 20 days starting in October ![Customs officers inspect wooden crates and sacks of imported cargo at a shipping port in South Korea. (AI-generated image)](https://eastasiabrief.com/media/2026-09-09-fec67941b588.webp) *Customs officers inspect wooden crates and sacks of imported cargo at a shipping port in South Korea. (AI-generated image)* The Korea Customs Service said Sept. 9 it caught 10 importers that abused South Korea's tariff-rate quota program, uncovering 546.8 billion won ($409 million) in illegal transactions. The agency uncovered 58.6 billion won ($43.9 million) in evaded customs and corporate taxes during the seven-month crackdown. The violations accounted for nearly half of the 21 major agricultural and food importers audited by customs inspectors. South Korea uses tariff-rate quotas to stabilize domestic retail prices by lowering customs duties on designated volumes of imported food and industrial feedstocks. When import volumes remain within the designated limit, tariff rates drop to as low as 0%. Customs officials targeted transactions executed between February and August. The investigation covered 21 companies that imported essential commodities under emergency government price-stabilization measures introduced earlier in the year. The violations fell into three distinct operational schemes, the agency said. These schemes included transfer price manipulation, quota hijacking using front companies and the illegal hoarding of food cargo inside bonded logistics centers. Overstated import declarations formed the largest share of the fraud, reaching 410 billion won ($306.9 million). Importers exploited the 0% quota duty to inflate customs declarations and send untaxed cash abroad, customs officials said. One banana importer, identified in agency records as Company A, used its offshore parent company to inflate invoice values. The company raised declared prices from $10 per unit under normal duties to $15 under duty-free quotas. Company A shifted domestic earnings to its foreign headquarters through these inflated customs entries, investigators said. The higher procurement invoices also overstated domestic operating costs, which allowed the importer to evade corporate income taxes. The customs agency notified the National Tax Service of 20 billion won in price padding by Company A. It also imposed an administrative fine of 8.5 billion won for 390 billion won in unauthorized foreign currency transfers. Company A also withheld tariff savings from local wholesale channels, customs inspectors said. The importer retained roughly 14% of the government tariff reduction as corporate margin rather than cutting domestic prices. The second category involved the fraudulent acquisition of quota volumes through sham paper entities, accounting for 102 billion won ($76.4 million). Companies used borrowed corporate names to capture allocations beyond their legal quota caps. Another firm, designated as Company C, secured import recommendations by using dummy companies and fake bill-of-lading transfer contracts. The company then bought back the paper consignments once the cargo cleared customs gates. The agency issued a pre-tax notice of 25.3 billion won to Company C for underpaid duties. Customs officials said they will initiate a formal criminal investigation into the firm for intentional quota fraud. The dummy entities charged commissions for lending their business names, the agency said. Company C added those intermediary fees to wholesale invoice prices, raising retail grocery costs instead of lowering them. The third scheme involved stockpiling duty-free food supplies in bonded zones to artificially restrict commercial supply, totaling 34.8 billion won ($26.1 million). Companies held perishable goods in warehouses rather than releasing them to distributors. Beef importers held frozen containers in bonded areas for up to 137 days, inspectors said. Current customs guidelines require companies to clear and release quota-eligible beef cargo within 45 days of arrival. Customs inspectors conducted 1,572 physical warehouse audits across major logistics hubs. Those site inspections forced distributors to release 292 metric tons of hoarded food cargo into the market, including frozen mackerel, chicken and refined sugar. The agency recovered 19.4 billion won in overdue customs tariffs on beef shipments that breached bonded storage limits. It also issued 1.4 billion won in fines and surcharges across 1,419 delayed declaration cases. The findings have prompted authorities to rewrite customs enforcement rules, Commissioner Lee Jong-wook said during a briefing at the Incheon Customs bonded warehouse. The agency plans to tighten administrative controls across all 18 priority monitored tariff-quota commodities. Under the proposed Customs Act amendments, the legal filing window for import declarations will drop from 30 days to 20 days. The statutory ceiling on penalty surcharges for late filings will double from 5 million won to 10 million won. Customs zone directors will also receive explicit legal power to order the immediate release of hoarded goods. Importers that fail to obey a bonded warehouse discharge order will face direct fines of up to 5 million won. The Ministry of Economy and Finance plans to submit these statutory revisions to the National Assembly during the regular legislative session opening in October. Administrative rule changes covering quota recommendation reviews will take effect before Nov. 30. The Korea Customs Service did not publish the registered corporate names of the 10 penalized importers, identifying them only by English letters in its audit documents. ## Impact map | Event | Korea | China | Japan | Global impact | | --- | --- | --- | --- | --- | | Tariff-rate quota fraud crackdown | Importers face 58.6 billion won in back taxes and tighter 20-day customs clearance rules | Chinese agricultural exporters see stricter price documentation checks at Korean entry ports | Japanese food trading houses face tightened bonded warehouse holding verification | Multinational food commodity traders face increased scrutiny on transfer pricing under zero-tariff quotas | ## In this story - **Companies:** Korea Customs Service - **Exposed:** National Tax Service - **Policy:** Tariffs, Compliance - **Impact:** Supply Chain, Pricing, Compliance ## Primary sources 1. policenews24.co.kr 2. incheonilbo.com 3. joseplus.com 4. tfmedia.co.kr 5. taxtimes.co.kr --- Cite as: East Asia Brief, "Korea Customs finds $410 million tariff-rate quota abuse across 10 firms," September 10, 2026. https://eastasiabrief.com/trade-policy/korea-customs-finds-410-million-tariff-rate-quota-abuse-229