The Idaho State Tax Commission (STC) recently issued updated withholding tables for 2024, due to a law change that lowered personal income tax rates retroactive to January 1, 2024 [STC, Press Release, 5-23-24].
The revised withholding tables should be used going forward. Employers do not need to adjust withholding back to the beginning of the year.
Updates have been made to the following tables:
Retroactive to January 1, 2024, the supplemental wage tax rate has been reduced to 5.695% from 5.8%.
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Lia Coniglio, Esq., is Managing Editor of PayState Update and Senior Manager of State Payroll Information Resources for PayrollOrg.