Thanks for the additional information, @stuety.
In QuickBooks, if you're self-employed, you use a Schedule C form to report your self-employed income and expenses, also known as Form 1040.
You can check out this article to learn more about Schedule C categories and how to categorize transactions in QuickBooks.
However, if these are taxes accumulated when running payroll for employees, I'd recommend following the steps shared by my peer above to record tax payments made for prior tax periods .
You also want to check out this article to get more ideas on how to record prior tax payments in QuickBooks Online.
Keep in touch again if you have additional questions about recording your federal taxes. We're always around to be your QuickBooks guide.