Iowa State Income Taxes
General administration
Department of Revenue and Finance
Withholding Tax Processing
Hoover State Office Building
P.O. Box 10411
Des Moines, IA 50306-0411
515-281-3114
Request identification number by filing Form 78-005 (Business Tax Registration):
Department of Revenue and Finance
Applications Unit
PO Box 10465
Des Moines, IA 50306-0465
Register for electronic funds transfer (required if semi monthly withholding liability in excess of $8,000 or monthly withholding liability in excess of $16,000) by filing Authorization Agreement for Electronic Funds Transfer (EFT) Tax Payments:
Department of Revenue and Finance
EFT Registration
PO Box 10413
Des Moines, IA 50306
Deposit withholdings using Withholding Deposit Form.
Report quarterly withholdings by filing Withholding Quarterly Return Form;
Furnish annual summary statements of wages paid and taxes withheld to employees on Form W-2 (Wage and Tax Statement) by January 31 and to state on Form VSP (Annual Withholding Agent Verified Summary of Payments Report) by last day of February:
Department of Revenue and Finance
PO Box 10470
Des Moines, IA 50306-0470
Deactivate identification number by filing Form 60-0111, Employer's Notice of Change:
Iowa Workforce Development
1000 East Grand Avenue
Des Moines, IA 50319-0209
Report annual non-employee compensation in excess of $600 by filing Form VSP (Annual Withholding Agent Verified Summary of Payments Report) and Forms 1099 by January 31:
Department of Revenue and Finance
PO Box 10470
Des Moines, IA 50306-0470
