The best way to record payroll tax payments you've made outside QuickBooks is by entering them as historical tax payments in QuickBooks Desktop. Here's how:
Go to the Help menu and choose About QuickBooks.
Press Ctrl + Alt + Y to open the Setup YTD Amounts window.
Click Next until you reach the Enter prior payments section.
In the Enter Prior Payments window, select Create Payment to enter all prior payroll tax and non-tax payroll liability payments you've made.
Enter the Payment Date and For Period Ending date accordingly.
In the Taxes and Liabilities field, choose the payroll tax item that you've already paid, then enter the amount.
Select test the Accounts Affected... button, then select the appropriate option on how you want the payment to affect your Chart of Accounts.
Click Next Payment (if you've another payment that needs to be recorded), then select Finish to complete the process.
You might also want to run and customize payroll reports in QuickBooks Desktop. This can help you manage payroll and keep track of employee expenses.
Should you need further assistance recording tax payments in QuickBooks Desktop, you can leave a comment below. I'll be sure to get back to you, @jungers.