How do I setup a field for a “Pre Tax deduction”?

This deduction will need to be setup as a User-Defined Field. At the AMS Payroll Menu, select Payer>Payer Edit>User Defined Fields. Double-click on the first blank line, enter in the Field Namemark the appropriate settings and click OK save. You can alsoselect Examples from the Edit screento view pre-set User-Defined Fields screen.