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  • Writer's pictureWefaq Law Firm

How is Corporate Fraud Investigated in Japan?

Updated: Apr 16, 2023

The Japanese legal system is unique in its approach to allegations of corporate fraud.

What kinds of fraud investigations are growing more common in Japan?

The most common types of fraud investigations in Japan involve accounting fraud, falsification of data or quality of products, and insider trading. Regarding falsification of data or quality of products, companies often conduct their own investigation and issue a news release on their own, even if the falsification is not likely to trigger a compulsory recall or any serious violation of regulations. Companies conduct their investigations to avoid damage to their reputation from being seen as trying to hide their problems from the public.

In addition to these classic fraud cases, investigations concerning “greenwashing” are likely to become the next trend. Since 2017, when the Government Pension Investment Fund (GPIF) – the largest of its kind in the world – began allocating its funds to ESG investment, more and more Japanese companies have embarked on ESG-related investments. Although there are not yet any disclosure rules that specifically regulate ESG-related investments in Japan, the market awaits the disclosure regulations on “greenwashing.”

Once the regulators implement the disclosure rules, violations would fall within the scope of false statements of the securities report, which could become another type of fraud investigation.


How would a typical company respond to a sign of fraud being uncovered?

When a listed company finds a sign of fraud, the most common response is to voluntarily establish a committee to conduct an internal investigation or a special committee to conduct an independent investigation. The sign of fraud could be found through an internal audit process, whistleblowing, or tipping off from business partners or consumers. It is important for the suspected company to commence its own investigation voluntarily to show good faith to the market and consumers even before the beginning of governmental investigations. In most cases, the company appoints accountants and lawyers as their investigation committee members if they establish a special committee. Former judges and prosecutors are the preferred candidates.


“Companies conduct their investigations to avoid damage to their reputation from being seen as trying to hide their problems from the public.”

The report prepared by the committee is often released to the public to show the company’s good faith to the market and consumers. This is a practice that is unique to Japan. The report often identifies the causes of the problem, who is responsible for the problem, and what the company should do to prevent a similar case from occurring in the future.


What would happen after such a report was released?

The release of the report may trigger a formal government investigation. In a case regarding false statements in securities reports, the Securities and Exchange Surveillance Commission (SESC) may commence their own investigation which could result in an administrative fine on the company. Following the SESC investigation, interested parties may subsequently opt for litigation. For example, parties that were involved in fraudulent transactions without realising that the transactions were fraudulent could seek damages against the company. Another example would be securities litigation. Some investors may commence litigation against the company to seek damages caused by the scandal. The investors may also commence deliberative action against directors of the company.

The company should be mindful of this possible series of events which might follow the disclosure of the reports by the investigation committee. In practice, the committee prepares two sets of reports, one for the company and another to be disclosed to the public. The publicly disclosed report is carefully censored so that the names of employees who committed wrongdoing or names of other companies which were involved in the scandal are deleted and their identities anonymised.


What legal issues should companies be mindful of during this process?

Attorney-client privilege is not generally recognised in Japan. In the voluntary investigation by the company’s special committee, interviews are often conducted with the directors and employees who were suspected to be involved in the fraud. Usually, a team of lawyers conducts these interviews. As the summaries of interviews are not protected by attorney-client privilege under Japanese law, the regulators could request these documents for their investigations. On the other hand, information regarding the company’s voluntary investigation could be protected in the civil or criminal proceedings by different theories.


“Attorney-client privilege is not generally recognised in Japan.”

For example, lawyers have the right to refuse testimony in the civil or criminal proceedings under the confidentiality obligation to the client pursuant to the Code of Civil Procedure or the Code of Criminal Procedure. The employee who was interviewed in the voluntary investigation by the committee may refuse to give evidence if it would incriminate themselves pursuant to the Code of Civil Procedure or the Code of Criminal Procedure.

In practice, investigation committees of Japanese companies that operate globally usually explain to the interviewee that attorney-client privilege belongs to the company if it applies, but not to the interviewee (i.e. an employee or a director) in case attorney-client privilege is recognised in other jurisdictions. In such cases, the relevant documents prepared through the voluntary investigation are marked as “privileged and confidential” to be protected in other jurisdictions.

Another legal issue which companies should be mindful of is the managerial responsibilities of independent directors, who are not executive directors and are often professionals like lawyers, accountants and professors. In a recent fraud case, the committee’s report identified that some independent directors failed to fulfill their managerial responsibilities to prevent the fraud. It was not common for reports of an investigation committee to find that independent directors were responsible for the fraud. Now that the Companies Act and the Corporate Governance Code of Japan require listed Japanese companies to appoint independent directors, both they and executive directors should be aware of their potential legal liabilities in case of fraud at the company.


How are plea bargains handled in the Japanese legal system?

In Japan, a plea-bargaining scheme was introduced in 2018. This new scheme was intended to press charges against a high-ranking criminal with the witness evidence provided by lower-ranked criminals in exchange for dropping their criminal charges. There have been only a few such cases so far in Japan. Unfortunately, the scheme was used for prosecuting an employee in the very first case.

In this case, the company benefited from the plea-bargaining scheme by giving statements to prosecute its former officer in a bribery case. The second case was the false accounting scandal by Carlos Ghosn, the former CEO of Nissan, which attracted widespread attention from the media. This time, the scheme worked as it was intended. A lower-ranked official made a statement to prosecute the former CEO. However, we are concerned that Japanese courts showed a rather cautious attitude towards the witness evidence provided through the plea-bargaining scheme in some cases.



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