Why transparency with your agent matters under AML rules in Japan
- Adam German
- 7 hours ago
- 4 min read
Japan’s real estate regulator has made the application of existing suspicious-transaction reporting rules more explicit for real estate brokerages.
The September 3rd guidance from the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) clarifies when brokerages should file suspicious transaction reports (STRs), including cases where a proposed property transaction does not reach a signed contract.
It also confirms that an STR is a regulatory reporting mechanism, not a finding of wrongdoing, and that filing one does not automatically require the brokerage to reject or terminate the transaction.
The underlying legal obligation already exists under Japan’s Act on Prevention of Transfer of Illicit Proceeds.
The September 3rd development is therefore a clarification of how that framework should be applied in practice, rather than a new reporting law.
What the clarification means
Japanese real estate brokerages are already required to carry out customer verification, keep certain transaction records and report transactions that meet suspicious-transaction criteria.
MLIT’s clarification focuses on how brokerages should apply the industry’s existing suspicious-transaction checklist for real estate sales.
Photo by Jakub Żerdzicki on Unsplash
Under the clarified approach, an STR should be filed if even one applicable checklist item is identified. Brokerages are also instructed to report where they are uncertain whether a checklist item applies and cannot resolve that uncertainty.
Examples on the current checklist include:
a buyer seeking to purchase property with a large amount of cash, particularly where the purchase appears inconsistent with the customer’s income or assets;
suspected use of a false name or another person’s identity;
refusal to explain or document who ultimately benefits from the transaction;
repeated property purchases or sales over a short period without an apparent economic rationale;
an urgent attempt to sell property substantially below market value without a clear reason; and
unexplained postponement of the scheduled settlement date.
These are warning signs, not proof of illigitimate activity.
The brokerage makes the initial judgment about whether an apparently unusual circumstance has a reasonable explanation, based on customer-verification results, the nature of the transaction and other information available to it.
MLIT is also preparing a revised checklist expected around October 2026. As of the September clarification, those revisions are not yet effective.
Draft examples under consideration include unusual payment arrangements, unexplained third-party payments, some transactions involving crypto assets and difficulty establishing who ultimately owns or controls funds.
The draft also addresses transactions connected with jurisdictions considered higher risk for anti-money-laundering and counter-terrorist-financing purposes.
Reporting can happen before a contract is signed
The clarification matters because buyers and sellers may inadvertently trigger one or more checklist indicators during an otherwise legitimate transaction, including before a contract is signed or funds are transferred.
An unusual payment arrangement, third-party involvement or unexplained change in the transaction structure may require the brokerage to assess whether an STR should be filed, even if there is a legitimate explanation.
Suspicious circumstances identified during customer verification, negotiations or transaction preparation can fall within the reporting framework even if the transaction is later abandoned.
That does not mean ordinary property inquiries or unsuccessful negotiations are automatically reported.
The issue is whether circumstances identified during the proposed transaction meet relevant reporting indicators and whether the brokerage has enough information to reasonably explain them.
Reporting is also separate from the decision to proceed with the transaction.
A brokerage may have a regulatory reporting obligation while separately deciding whether it is comfortable continuing. Banks and other financial institutions make their own compliance decisions, while any subsequent government action is a separate matter.
What buyers and sellers should do
For residents and non-residents participating in Japanese property transactions, the practical effect is likely to be more visible compliance checks since the brokerage firm makes the initial decision on whether aspects of a transaction has been reasonably explained.
Depending on the transaction and its risk profile, a brokerage may ask more questions about:
identity and, for companies, beneficial ownership;
the purpose of the purchase or sale;
where the purchase funds are coming from;
who is actually making the payment;
how the funds will be transferred; and
relationships between the buyer, payer and ultimate owner.
Not every buyer will be asked for the same documentation. Requirements depend on the transaction, the parties involved and the brokerage’s risk assessment.
Where a transaction has an unusual feature, buyers and sellers should be forthcoming with their agent and provide supporting information where appropriate.
A third-party payment, ownership structure, change in payment method or settlement delay may have a perfectly legitimate explanation, but the brokerage can only assess that explanation based on the information shared by the client.
Real estate brokerages are among the businesses covered by Japan’s Act on Prevention of Transfer of Illicit Proceeds. Under Article 8(4), a brokerage is prohibited from telling the customer concerned, or related parties, that it intends to file or has filed an STR.
For more information, refer to Act on Prevention of Transfer of Illicit Proceeds - Article 8 (Japanese only).
For buyers and sellers, the main takeaway is that Japan is making the compliance framework surrounding property transactions more explicit.
Being prepared to explain who is involved in the transaction, how funds are being transferred and why any unusual features exist can help the brokerage assess the transaction based on the full picture.
Further Reading:
MLIT: Anti-Money-Laundering Measures in the Real Estate Industry (Japanese only)
MLIT: Interpretation of the Clarification of Criteria for Suspicious Transaction Reporting, September 2026 (Japanese only)
MLIT: AML/CFT Guidance for Real Estate Transaction Businesses (Japanese only)
