If a reported content is judged as "illegal information", it will be forwarded to the National Police Agency. If it is judged as "harmful information" (information against public safety and social order), a request which asks a measure based on the contract with customers will be sent to service providers of web pages, administrators of BBS, etc. When it is difficult to judge, judgment is left to the legal advisers who consist of lawyers. The range put into harmful information (information against public safety and social order) is limited to what may be connected with illegal acts and results.

The violation of intellectual property (copyrights and trademarks infringement), the defamation and the slander are not dealt with here.