The Cabinet Office, government of Japan ＞ Top page of OTO ＞ Flow of Complaints Procedures
information
How to file a complaint
Complaints can be filed in online form, postal mail and etc.
![[PDF]](./oto_flow_e_files/pdficon_large.gif){kind=small}
Format to Address Issues to OTO
Before submitting a complaint, please first contact us using the online form below.
Click here for the online form
Proxy complaints
If you wish to remain anonymous, you can file complaints through proxies such as chambers of commerce or foreign diplomatic missions in Japan.