california bad check law for car dealer down payments that bounce Posted on 01/31/2019 by the weatherman @ 800-901-5950 Many people do not realize that writing a bad check is a serious crime. … However, if you write a bounced check in California, you could be criminally prosecuted. Under California Penal Code Section 476(a), it is a crime to write a check knowing that you have insufficient funds and the intent to defraud.