Participation in proceedings (including judicial proceedings) conducted by courts, law enforcement agencies, government agencies or public authorities, intergovernmental or supranational bodies, in particular for the purpose of detecting, investigating and prosecuting illegal acts, unless there is a statutory obligation to this effect, and we may legitimately assume that the disclosure of the data is necessary to avert imminent disadvantages or to report a suspicion of an illegal act. In such cases, we will only disclose what we believe is necessary, such as your name, city, postal code, telephone number, email address, (previous) user names, IP address, fraud complaints, bidding and listing history.