You have committed to exhibiting at a major Japan trade show: CEATEC, Medtech Japan, Auto Tokyo, InterBev, or one of the dozens of annual industry events that draw global companies into Japanese convention halls. Your freight forwarder says an ATA carnet handles everything. They are not wrong about the carnet, but they are omitting the scenario that trips up a significant share of first-time exhibitors: the moment your goods stop being temporary.
Understanding the boundary between temporary admission (一時輸入) and permanent import clearance before you ship protects you from duty exposure, clearance delays, and the kind of customs correction that lands on the last day of the exhibition.
The Two Customs Paths for Trade Show Goods
Japan Customs draws a fundamental line between goods that enter temporarily and goods that enter permanently.
Temporary admission (一時輸入) applies to goods imported for a defined purpose, with a defined intent to re-export, within a fixed period. Exhibition goods, demonstration equipment, and professional samples brought into Japan for a trade show and then returned to the country of origin fall here. When properly documented and re-exported within the admitted period, no customs duties and no Japanese Consumption Tax (JCT, 消費税) are payable.
Permanent import applies to every other scenario: goods sold in Japan, samples left with local partners, demonstration units that stay behind, and anything damaged or otherwise unsuitable for re-export. These goods require a full import declaration (輸入申告) under the Customs Act (関税法), and duties plus JCT apply.
The practical mistake exhibitors make is planning exclusively around the temporary path, then discovering mid-show or post-show that part of the shipment has crossed permanently. Planning for both paths from the outset is the correct approach.
How ATA Carnets Work in Japan
An ATA carnet is an international customs document that enables the temporary importation of goods into member countries without paying duties at each border. The carnet is issued in the exporter's home country, typically through the national chamber of commerce or an affiliated issuing body. Japan is a member of the ATA carnet system.
The carnet covers three main categories of goods: goods for trade fairs and exhibitions, professional equipment, and commercial samples. For most trade show shipments, all three categories may be relevant simultaneously.
At the Japanese port of entry, the carnet is presented to Japan Customs alongside the consignment. Customs officers endorse the counterfoil, recording the imported goods and the permitted re-export deadline. The goods enter duty-free and JCT-free on the basis that they will leave.
The re-export obligation is absolute. If the goods do not leave Japan by the expiry date endorsed on the carnet, the carnet holder becomes liable for customs duties and JCT on the full declared value. Japan Customs may also call on the guarantee held by the carnet's issuing organization, which the exhibitor then owes to the issuer. Carnet overruns are not merely administrative inconveniences; they generate real financial liability retroactively.
Common failure points in the ATA carnet process:
(a) Goods sold at the stand and not identified as sold before re-export: the carnet requires every item to leave. Items sold and handed to buyers constitute a permanent import at the moment of transfer.
(b) Samples or giveaways distributed during the show: any item that leaves the exhibitor's control and does not return to the exporting country needs a separate permanent import clearance path.
(c) Goods damaged during transit or installation that customs inspectors deem unfit for re-export: Japan Customs may decline to accept a damaged item's departure as completing the carnet obligation if the item's condition has materially changed from its entry state.
(d) Partial re-export: sending only a portion of the carnet list back and failing to reconcile the discrepancy in writing with Japan Customs before the expiry date.
(e) Venue delays and extended show periods: some multi-week exhibitions or back-to-back event schedules push goods past the originally endorsed deadline. Extensions are possible but require proactive engagement with Japan Customs before expiry, not after.
When Goods Need Permanent Import Clearance
Four scenarios convert a temporary-admission shipment into a permanent import requiring full customs clearance:
(a) Goods sold during or after the exhibition. The moment title to goods passes to a Japan buyer, the goods are permanently imported. There is no mechanism to retroactively convert a carnet entry into a permanent import after the sale; the permanent import must be declared and the appropriate duties and JCT paid. Attempting to re-export sold goods on the carnet and then ship them back into Japan is double the customs work and doubles the risk of classification scrutiny.
(b) Samples or demonstration materials left with Japanese partners or prospects. Handing a sample to a prospective distributor at the show, or leaving a demonstration unit at a partner's office for ongoing evaluation, ends the temporary admission for that item. Leaving goods behind requires a permanent import declaration (輸入申告) for those specific items, with duties and JCT calculated on their customs value.
(c) Demonstration equipment retained in Japan. Equipment installed at a showroom, a customer facility, or a managed warehouse for continued demonstration purposes is permanently imported from the date of retention. Equipment that remains in Japan for ongoing trials, certification testing, or market evaluation should be planned as a permanent import from the outset.
(d) Goods damaged and unfit for re-export. Japan Customs has discretion over whether to accept goods in significantly altered condition as fulfilling the re-export requirement. For high-value items, obtaining a customs determination before disposal is the correct approach. In some cases, abandoned or destroyed goods trigger a duty liability even without re-sale.
What Permanent IOR Looks Like for a Trade Show Context
When part of a trade show shipment becomes a permanent import, the exhibitor needs a Japan-side importer of record (輸入申告の申告者). Two structures are available for foreign companies without a Japan entity.
**IOR (Importer of Record) via Buy-and-Sell**
Under IOR, Aplash acts as the legal importer named on the import declaration. Aplash purchases the goods from the overseas seller, clears customs in its own name, pays duties and JCT, and re-sells to the Japan buyer, whether that is the exhibitor's local partner, a distributor, or the end customer. Aplash issues a qualified invoice (適格請求書) enabling the Japan buyer to recover JCT as an input credit. This buy-and-sell structure is appropriate where goods have been sold to a known Japan entity, where the exhibitor wants to convert demonstration equipment into a commercial sale to a Japan customer, or where samples are being left with a Japan-based entity that will resell them.
The critical structural point: Aplash takes title. This is not a name-lending arrangement. Aplash is the genuine buyer and re-seller, and the import declaration reflects that substance.
**ACP (Attorney for Customs Procedures / 税関事務管理人)**
Under the Customs Act (関税法) Article 95, a non-resident company with no Japan address may appoint a Japan-resident entity as its customs procedures attorney. In this structure, the non-resident company is the importer named on the import declaration. Aplash acts as the procedural representative before Japan Customs but does not take title to the goods. This structure is appropriate where the foreign exhibitor intends to remain the beneficial owner of the goods in Japan: demonstration equipment retained for ongoing use under the exhibitor's own name, for example, or where the exhibitor has its own Japan distribution arrangement but lacks a Japan address to fulfil the Customs Act residency requirement for non-residents.
These two structures serve different factual situations. IOR and ACP are not alternatives to choose based on preference. The correct structure depends on who owns the goods and who the downstream buyer is.
Common Pitfalls
Assuming everything goes home. The single most common error is booking the ATA carnet without any contingency plan for goods that will not return. Pre-show planning should include a manifest review categorising each item as: definitely returns, potentially sold, definitely stays. Customs planning flows from that categorisation, not from the carnet booking alone.
Not planning for samples and giveaways. Small items distributed at the stand, branded samples, demonstration consumables: none of these can leave Japan on the carnet if they have left the exhibitor's possession. The value of individual items may be low, but the aggregate liability across a large distribution can be material, and the procedural obligation exists regardless of value.
Customs examination delays at the exhibition venue. Goods arriving at major Japan exhibition venues, particularly at Tokyo Big Sight and Makuhari Messe, are often subject to customs examination on arrival. An examination can hold goods for hours to a full day, affecting installation schedules for complex stands. Planning for examination time at both import and re-export stages is prudent; the carnet process does not guarantee examination-free entry.
Mismatch between the carnet item list and the actual goods. Carnet item descriptions must match the physical goods with reasonable precision. Items not listed on the carnet, or items whose description or quantity differs materially from what arrives, cannot be covered by the carnet. Preparation of the carnet item list requires coordination between the logistics team and whoever is actually packing the shipment.
Leaving the re-export completion paperwork to the freight forwarder without verification. The carnet is only formally discharged when the re-export counterfoil is endorsed by Japan Customs at exit. Missing or incomplete exit endorsements leave the carnet technically open, even if the goods physically left Japan. Exhibitors should obtain and retain copies of the exit-endorsed counterfoils before treating the carnet obligation as closed.
Practical Timeline and What to Prepare
A well-prepared Japan trade show shipment requires lead time across three phases.
Six to eight weeks before the show:
(a) Classify each item in the shipment as temporary (returning) or potentially permanent (sold, retained, distributed). Assign a preliminary Japan customs tariff code for any goods that may require a permanent import declaration.
(b) If using an ATA carnet, begin the application with the issuing chamber in your home country. Allow two to three weeks for issuance.
(c) If any goods are expected to remain in Japan permanently, engage an IOR provider or ACP coordinator early. The import declaration for permanent goods cannot be filed without a Japan-side entity.
(d) Confirm whether any goods in the shipment are subject to product compliance requirements in Japan, including the Electrical Appliance and Material Safety Law (電気用品安全法, PSE), the Radio Act (電波法) for wireless devices, or relevant JIS standards. A demonstration unit that converts to a permanent import is now a product in the Japan market and must meet those requirements.
Two to three weeks before the show:
(a) Finalise the carnet item list with accurate descriptions, quantities, weights, and values. The list should match the packing list and the commercial invoice.
(b) Prepare a Japan import file for any goods expected to require permanent clearance, including a commercial invoice addressed to the IOR entity, packing list, and bill of lading or airway bill.
(c) Confirm re-export booking and timing with the forwarder for the post-show shipment.
During and after the show:
(a) Track which items are sold, given away, or left behind, with a written record.
(b) Notify the IOR or ACP coordinator immediately when goods convert from temporary to permanent, so the import declaration can be filed before the carnet expiry.
(c) At re-export, verify that Japan Customs endorses the carnet exit counterfoil and retain copies.
(d) If any items cannot be re-exported because they were sold or damaged, do not include them in the carnet re-export declaration. Attempting to declare sold or missing goods as re-exported constitutes a false customs declaration under the Customs Act (関税法).
Conclusion
An ATA carnet is an effective and well-recognised mechanism for bringing exhibition goods into Japan temporarily. It functions reliably when every item on the list genuinely returns to the country of origin after the show. The difficulty arises in the gap between that premise and trade show reality: goods are sold, samples are distributed, demonstration units stay behind for follow-up evaluation. Planning for the permanent-import path alongside the temporary one is not a contingency measure. It is standard preparation for any exhibitor that intends to do business at the show rather than merely display.
For goods that become permanent imports, the choice between IOR through a buy-and-sell structure and an ACP appointment depends on ownership structure, the identity of the Japan-side buyer, and the exhibitor's longer-term Japan presence. Both paths require advance engagement; neither can be arranged the morning after a stand sale.
This article is informational only and does not constitute legal, tax, or regulatory advice. Consult a qualified advisor before acting on the content. Last updated: June 2026.