Tax Commission News Release
New Idaho W-4 helps taxpayers estimate paycheck withholding
BOISE, IDAHO — Jan. 8, 2019 — The Idaho State Tax Commission launched the first Idaho-specific W-4 form today to help taxpayers more easily calculate how much state income tax should be withheld from their paychecks.
Copies of the Idaho W-4 form will be mailed out in the coming days to more than 70,000 Idaho employers with payroll withholding accounts. It’s already available on the Tax Commission website at tax.idaho.gov/w4.
The goal is getting many thousands of Idahoans who have not yet updated their withholding since last year’s historic tax reforms to use the Idaho W-4 and more easily get their calculation right for 2019.
“The new Form ID W-4 gives us an important new tool for helping Idaho taxpayers properly calculate how much of each paycheck should be withheld to cover their Idaho individual income tax liability,” Tax Commission Chairman Ken Roberts said.
The federal and state tax systems now diverge when it comes to individual income tax. No longer is federal withholding information applicable for use on Idaho tax forms. The Idaho W-4 form provides a better way for employees to calculate and update their withholding information.
“While the federal W-4 form is still needed for calculating federal withholding, the Idaho W-4 is a shorter, simpler and far more accurate way of determining your Idaho withholding,” Roberts said. “We hope it encourages more taxpayers to update their W-4 and avoid unexpected tax bills.”
Taxpayers or employers can call the Tax Commission at (208) 334-7660 in the Boise area or toll free at (800) 972-7660 with any questions.
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