If you will be e-filing your payroll tax forms including your payroll tax deposits through Aatrix, be sure to register with Aatrix as soon as possible after setting up the Aatrix program.
Please note: Aatrix requires approximately 3 business days to obtain a pin from the IRS to e-file on your behalf. Allow approximately 5 business days to process your initial payment.
https://efile.aatrix.com/pages/Enroll/Enroll.aspx
