Below are the steps to update a client invoice due date within the Invoices section.

1. Click the Patient Statement option under the Billing tab in the left navigation.
2. To access the generated patient invoice click the Manage Statement(s) tab.
3. Use the Sort By filter to find the required patient invoices. Select Patients from the drop-down field. Then select the Paid Status and which Patient you want. Click on Go. 
4. In the data table, edit the Due Date field to update the due date on the patient invoice.
5. To bulk update the due date, select the invoices using the checkbox in the bottom left corner. Use the drop-down to select the Update Due Date option, then select the new due date and click Go.