I received a bad check. What can I do? A I received a bad check. What can I do? If you are a merchant or a private citizen in Ventura County who has received a bad check, please contact our Non-Sufficient Funds (NSF) Check Unit at (805) 662-1720 for more information. You may also view our NSF Bad Check Complaint Form here. Back to Top I am the victim of a crime and I want a restraining order to keep a person away from me. Will your office do this for me? Whom can I talk to about a consumer-related problem?