Using Aatrix eFile to make your EFTPS Payments has never been easier. Whether you've used Aatrix before, or you are just getting started, we provide you with step-by-step instructions on how to make any of your EFTPS payments using your Aatrix eFile Accou… If you have eFiled a Federal Tax Deposit Coupon through Aatrix in the past: Select the form "Federal Tax Deposit Coupon," EFTPS Form 8109. Use this to make 940, 941, 943,… https://customer.aatrix.com/news/2021/09/simple-steps-making-eftps-payments-using-aatrix2/