Thank you for your question. I look forward to working with you to provide you the information you are seeking for educational purposes only.
Under IL law, you need to send the party a letter demanding payment for the checks plus bank fees within 7 days of receipt of your letter. It must be sent certified mail with return receipt and keep a copy of the letter. In the letter you inform them that failure to make payment will result in you filing charges with the state's attorney for issuing bad checks and criminal
charges that can result in prison time. If they fail to make good on the checks within the time specified, you take your copy of your letter with the return receipt card proving it was delivered to the state attorney's office and file criminal charges against them for issuing bad checks.
Your alternative is to file a civil suit in small claims but you have to do so in Lake County where the defendant lives and you can seek repayment for the checks, plus any costs and fees and the cost of filing in small claims court
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