TAXES 18-44, Alabama Counties Income Tax Withholding

Published: March 21, 2018
Effective: Pay Period 06, 2011


This tax bulletin is being updated to remove the number of pay periods in steps 2 and 4 and replace with the phrase "number of pay dates in the tax year," thereby preventing any confusion in future years. All other information in this bulletin remains the same.

No action on the part of the employee or the personnel office is necessary.

Tax Formula

County Name

State/County Codes

County Tax Status



Duty Station/mandatory


Withholding Formula (Effective Pay Period 06, 2011)

  1. Subtract non-taxable Federal Health Benefits Plan payment(s) (includes dental and vision insurance program, and flexible spending account - health care and dependent care deductions) from the gross biweekly wages.
  2. Multiply the adjusted gross biweekly wages by the number of pay dates in the tax year to obtain the gross annual wages.
  3. Apply the annual wages to the following guideline to determine the annual Alabama county income tax withholding:

    Compute the County Income Tax Withholding For:

    By Multiplying the Annual Wages by the Following Percentage:




  4. Divide the annual Alabama county income tax withholding by the number of pay dates in the tax year to obtain the biweekly Alabama County tax withholding.


To view the updated tax formula, go to the HR and Payroll Clients page from the MyNFC drop-down menu on the National Finance Center (NFC) homepage. Select the Publications tab and select U.S. Income Tax Formulas from the Publications menu to launch the tax map. Select the desired State from the map provided for the formula.

Previous Tax Bulletin


For questions about NFC processing, authorized Servicing Personnel Office representatives should contact the NFC Contact Center at 1-855-NFC-4GOV (1-855-632-4468) or via the customer service portal.