If you're importing goods into Japan without a local entity, you've likely encountered two acronyms: IOR (Importer of Record) and ACP (Attorney for Customs Procedures / 通関士). They sound similar. They both involve customs. And most providers explain them as if they're interchangeable.
They're not. Choosing the wrong structure can cost you millions of yen in unrecoverable tax — or worse, leave your shipment sitting at customs with no legal pathway to clear it.
This guide explains the real difference, when each applies, and what happens when your import is too complex for either model alone.
The Core Distinction
IOR (Importer of Record) — A third party becomes the legal importer of your goods. They assume ownership at the border, file the customs declaration in their name, pay duties and JCT (Japan Consumption Tax), and bear full compliance liability.
ACP (Attorney for Customs Procedures) — A Japan-resident entity acts as your legal representative at customs. You remain the importer. The ACP manages customs procedures on your behalf, but the import declaration is filed in your company's name.
The difference is who owns the import.
Under IOR, the third party owns it. Under ACP, you own it.
Why This Matters: The JCT Question
Japan's Consumption Tax (JCT) is 10% on CIF value plus duty. On a ¥100 million shipment, that's ¥10 million in JCT at the border.
If you are the IOR (through an ACP arrangement), you paid that JCT. When you sell the goods in Japan, you collect JCT from your customers. At tax filing time, you deduct the import JCT you paid from the sales JCT you collected. You only remit the difference.
If a third party is the IOR, they paid the JCT — not you. You cannot claim that ¥10 million as an input tax credit. You still collect and remit sales JCT in full. The import JCT becomes a sunk cost, passed to you as a service fee or buried in the IOR's pricing.
On recurring shipments, this difference compounds. A company importing ¥500 million annually under a third-party IOR structure may be losing ¥50 million per year in unrecoverable JCT — simply because of how the import was structured.
Bottom line: If you plan to sell in Japan and are registered for JCT, the ACP model almost always makes more financial sense than third-party IOR.
When to Use Each Model
Use ACP when:
- Your company has no Japan entity but wants to act as IOR for JCT recovery purposes
- You are selling goods in Japan (B2B or B2C) and need input tax credits
- You are an Amazon Japan or Rakuten seller importing under your own name
- You want to retain full control and ownership of your goods through the import process
- Your shipment involves standard, non-regulated goods or goods where you already hold the necessary product certifications
Use Third-Party IOR when:
- You need a one-time or temporary import and JCT recovery is not a concern
- You lack the product certifications required for import (PSE, Giteki, PMDA) and need a licensed entity to import on your behalf
- You are shipping equipment for internal use with no resale in Japan
- Speed is critical and you cannot wait for ACP registration (typically 2–4 weeks)
Use Both (ACP + Regulatory Support) when:
- Your goods are FEFTA-controlled (dual-use items under the Foreign Exchange and Foreign Trade Act)
- Your shipment includes RF-transmitting devices that require Radio Act (電波法) compliance beyond standard Giteki certification — such as experimental station licenses from MIC
- You need an HS code advance ruling from Japan Customs for novel or unclassified goods
- Your import involves hazardous materials requiring GHS Safety Data Sheets compliant with JIS Z 7253
- Multiple regulatory frameworks apply simultaneously — for example, a single shipment triggering FEFTA Article 52, Radio Act licensing, and GHS/SDS review at the same time
This third category is where most providers stop. Standard ACP firms handle customs procedure. Standard IOR firms handle compliance for known product categories. But when METI, MIC, Japan Customs, and multiple regulatory bodies are all involved in a single import, you need a partner that operates across all of them.
The 2023 Reform and What Changed
Since October 1, 2023, Japan Customs no longer permits nominal importers. The entity named as IOR must have the legal right of disposal — actual ownership — of the goods. Foreign sellers who previously used freight forwarders or customs brokers as nominal importers were forced to restructure.
The practical result: if you don't have a Japan entity, you now must use an ACP to import under your own name, or engage a third-party IOR who takes actual ownership.
This reform made ACP services essential rather than optional for most non-resident importers.
What's Coming in 2026–2028
Japan's 2026 Tax Reform introduces further changes:
- De minimis threshold tightening — The ¥10,000 exemption for commercial imports is being narrowed. Low-value shipments that previously cleared without JCT will now be taxed.
- Platform deemed-supplier regime — Digital platforms facilitating cross-border sales will bear JCT liability, affecting how eCommerce sellers structure their imports.
- NACCS 2.0 — New mandatory declaration fields (B2C cargo status, platform name, delivery location) are already live. AI-driven classification tools are planned for 2026.
These changes increase the importance of having a properly structured ACP arrangement — and having a partner who understands how these reforms interact with your specific import profile.
How Aplash Approaches This
At Aplash, we don't treat IOR and ACP as products to be sold. We treat them as structural decisions that affect our clients' tax position, compliance risk, and operational flexibility in Japan.
For most clients importing for resale, we recommend the ACP model — structured to maximize JCT recovery.
For clients whose goods trigger regulatory complexity — FEFTA dual-use controls, Radio Act licensing, METI coordination, HS advance rulings, or GHS/SDS compliance — we manage the full regulatory stack alongside the ACP or IOR engagement.
We operate natively in English, Japanese, and Chinese, with offices in Osaka, Hong Kong, and Shenzhen — covering the trade corridors that matter most for Japan-bound goods.
Next Steps
If you're importing into Japan and aren't sure which structure fits your situation, we're happy to assess your specific case. No commitment required — just clarity on what your import actually needs.
Aplash provides IOR, EOR, and ACP services for Japan imports, specializing in complex regulatory compliance including FEFTA, Radio Act, METI coordination, and HS classification. Offices in Osaka, Hong Kong, and Shenzhen.