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Business
Taxes
eFile & Pay
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Sales
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Retailer's
Use
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Consumer's
Use
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Withholding
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LPG
Fuel
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Motor Fuel
ePayments
Change,
cancel, reinstate
business tax registrations
To change filing frequency, choose an effective
date that is the first day of the future calendar quarter.
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online system (pdf)
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Individual
Income Tax
Taxpayer
eFile Options
Tax
Professionals
Iowa
Refund Status ePayments |