Let's make sure you'll be able to E-pay your payroll tax, max129-ss.

Once you set up your federal e-file and e-pay, you'll have to get PINs for each. The e-file PIN is a 10-digit number while your e-pay PIN is a 4-digit number.  If you don't have one, you'll want to contact the IRS. Then, uncheck the Remember my information for next time box, and make sure to update your PIN. Select the Remember my information for next time box again to save the new information. I've attached a screenshot for your guide:

For more information on how to handle payroll e-file and e-pay rejections, read this article: Handle Payroll E-file and E-Pay Rejections. Moreover, you can go to the E-Payments tab so you can check the status of the e-payed federal tax. You can check out this article for the complete information: Check e-pay status. This contains instructions on how to check an e-file status.

Let us know if you have any concerns about e-filing your payroll tax. We're here to help you all the time.