Illinois State Withholding Is Not Calculating Correctly On Supplemental Earnings When Additional State Is Calculated on Regular Run

(Doc ID 2400662.1)

Last updated on MAY 18, 2018

Applies to:

Oracle HRMS (US) - Version 12.1.3 and later
Information in this document applies to any platform.

Symptoms

On : 12.1.3 version, Vertex Code or Data Issue

ACTUAL BEHAVIOR
---------------
The Illinois state income tax is being reduced by the additional tax withheld from an employee's regular pay when they are paid an additional supplemental earnings

EXPECTED BEHAVIOR
-----------------------
The supplemental earnings to be taxed at the full 4.95%. With no reduction for the additional tax withheld on the regular payroll

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. An employee has an Additional Tax at $50.00 for Federal and Illinois state
2. They are paid their regular earnings and the additional 50.00 for Federal and Illinois is withheld correctly
3. Run a bonus earnings using Supplemental
4. FIT is withheld correctly at 22%
5. Illinois state is withheld at 4.95% minus the $50.00 additional tax that was withheld on the regular run


Cause

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