Hi there, @allrryan. 

Thank you for contacting us regarding the issue you're experiencing with applying the credit memo to the deposit in your accounts receivable.

To assist you further, please provide a screenshot of the affected account where the deposit is showing as overdue and the credit memo as unapplied.

Once we have a visual of the specific details, we'll be better equipped to help you apply the credit memo to the deposit in the Accounts Receivable/Customer ledger.

Your cooperation in providing this additional information is greatly appreciated, and we are committed to resolving this matter for you as efficiently as possible.

Please feel free to send the screenshot at your earliest convenience, and we'll promptly assist you with the next steps.