I understand that dealing with unpaid liabilities in QuickBooks Desktop is your goal, @ebo8302. Let me provide more detail on your concern about restoring old Payroll Liabilities in QBDT.

To note, there's no way to restore old unpaid liabilities in QBDT. These liabilities are automatically removed from the Pay Liabilities tab 18 months after their original due date. However, you can still pay them electronically by logging in to the Electronic Federal Tax Payment system or contact them, as they also accept payments via phone call.

Once you've taken care of the payment, you can manually record it in your QBDT. I'm here to guide you through the process.

1. Go to Employees.
2. Select Payroll Taxes & Liabilities.
3. Choose the Create Custom Liability Payments.
4. A new tab will appear. Enter the date range of the paychecks you issued and hit OK.
5. Once your unpaid liability will show, click it and hit the Create record your payment.

On the other hand, you can also input tax payments you made in the current or previous years. For more information, read this link: Enter historical tax payments in Desktop payroll.

Know that you're free to drop any additional questions you still have with your payroll tax liabilities. The Community supports are always doing their best to assist and provide you with the information and resolutions for your goals to be achieved.