USA State Taxes

IOWA (IA)

STATE INCOME TAX (SIT)

Description	Amount	Effective Date	Website	Deposit Method / Frequency / Threshold	Forms
Wage Withholding	Tables		Iowa Department of Revenue - Withholding Tax Information and Tax Tables Business Tax Registration	Semi-Monthly EFT More than $5,000/semi-monthly, or $10,000/mth or $120,000/yr. Monthly EFT $500.00-$10,000/mth or $6000-$120,000/year Quarterly EFT - less than $1,500.00/quarter,or $500/mth or $6,000/yr. Periodic and end of year Verified Summary of Payments Report (VSP) online at Efile & Pay	Withholding Tax Forms Quarterly Return - 44-095 Withholding Certificate and Centralized Employee Registry - IA W-4
Supplemental Wage / Bonus Rate	5.7%	2024

Description

Amount

Effective Date

Website

Deposit Method / Frequency / Threshold

Forms

Wage Withholding

Tables

Iowa Department of Revenue - Withholding Tax Information and Tax Tables

Business Tax Registration

Semi-Monthly EFT More than $5,000/semi-monthly, or $10,000/mth or $120,000/yr.

Monthly EFT $500.00-$10,000/mth or $6000-$120,000/year

Quarterly EFT - less than $1,500.00/quarter,or $500/mth or $6,000/yr.

Periodic and end of year Verified Summary of Payments Report (VSP) online at Efile & Pay

Withholding Tax Forms

Quarterly Return - 44-095

Withholding Certificate and Centralized Employee Registry - IA W-4

Supplemental Wage / Bonus Rate

5.7%

2024

Notes:

Based on their filing frequency, every employer is required to file for each applicable period during the calendar year, even if compensation was not paid during a period.

IA has a reciprocal agreement with Illinois.

STATE UNEMPLOYMENT INSURANCE (SUI)

Description	Amount	Effective Date	Website	Deposit Method / Frequency / Threshold	Forms
Maximum Taxable Earnings	$38,200	Increased from $36,100 in 2023	Iowa Workforce Development Rates UI Handbook for Employers	Quarterly Register and file reports at MyIowaUI (MIUI)	Workforce Employer Forms
Employee Deduction	None
Employer Tax Rate	0.0 - 7.0%	Changed from 2023
New Employment Rate - Standard	1.0%	Unchanged from 2023
Voluntary Contribution Permitted	No

NEW HIRE REPORTING

Website	Frequency / Method	Forms
New Hire	Within 15 days of hiring. Register	See SIT Forms: Centralized Employee Registry Reporting Form IA W-4

Website

Frequency / Method

Forms

New Hire

Within 15 days of hiring.

See SIT Forms: Centralized Employee Registry Reporting Form IA W-4

WEBSITES

State Agencies, Employment and Business

Disclaimer: This information is for reference only. To ensure accurate set up, we highly recommend that the information is verified with the applicable federal and state/provincial agencies. TimeTrex makes no claims, guarantees, or promises about the accuracy, current status, or completeness of the information provided. In no event shall TimeTrex be liable for any errors or omissions with respect to any resource information.

Last updated Jan 2024