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2020 W-4 and Federal Withholding Calculation »

Read about Aatrix software updates on W-4 and Federal Withholding Calculation

Related Categories:

Payroll Items

Learn how to set income items, deductions, holidays, unemployment rate, and other payroll items.

System Requirements

View notes on system requirements in order to run Aatrix successfully

Direct Deposit

Read our guides and general information about direct deposits.

W-2 Processing

Read our guides and general information about W-2 Processing.

Paid Time Off

Read our guides and general information about Paid Sick Days, Vacation Days, Personal Time Off and Holidays.