When you use cash basis accounting and and enter sales of sales receipts, you need to know how to record a customer's check that is returned by your bank.
Enter a new transaction. Do not modify either the original sales receipt or the original deposit because that can affect, adversely, your inventory, sales and sales tax liability.
Enter a enter a new check:
If your customer makes good on the NSF check, simply deposit the check and use the NSF account as the From Account on the deposit form.