Iowa Department of Revenue
Our Department’s work incorporates established tax administration, alcoholic beverage control, and responsible lottery entertainment.
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2024 Season
Revenue Webinar Series
The Department has partnered with the Center for Business Growth and Innovation at the University of Northern Iowa to provide free webinars on IASourceLink.
Join us for our free monthly webinars.
2025 Updates
Income Withholding Tax Tables for 2025
The Department updates withholding formulas and tables to account for inflation and changes in individual income tax liability resulting from changes in Iowa law.
GovConnectIowa
GovConnectIowa is a portal that enables customers to manage business taxes, withholding, corporate income tax, individual income tax, in one convenient location, 24/7.
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Recent News
Tax Credits Program Evaluation Study Reports Now Available
The Department has released new Tax Credits Evaluation Study reports on the Department's website in the Reports Index under Tax Credit Evaluations.
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