E-Verify Requirements in Wisconsin: 2026 Employer Guide

Wisconsin has no state E-Verify mandate. Participation is voluntary. All employers must comply with federal I-9 requirements.

Voluntary — No State Mandate

Researched by the I9AuditReady Research Team

Last Updated: April 2026

Wisconsin E-Verify at a Glance

Requirement Level: Voluntary — No State Mandate
Applies To: No state mandate — voluntary participation only
Employee Threshold: No state mandate
Key Statute: No applicable state statute
Effective Date: No mandate in effect

Does Wisconsin Require E-Verify?

Wisconsin has no state E-Verify mandate. Employers may participate voluntarily.

Wisconsin has no state E-Verify mandate. Participation is voluntary. All employers must comply with federal I-9 requirements.

Even without a state mandate, all Wisconsin employers must complete Form I-9 for every new hire under federal law (INA § 274A). Federal contractors with contracts over $100,000 must use E-Verify under FAR 22.1803. Employers may also voluntarily enroll in E-Verify through USCIS at no cost.

Key Facts: E-Verify in Wisconsin

Wisconsin has no state E-Verify mandate as of 2026.
Wisconsin's manufacturing and dairy farming sectors employ significant workforces subject to federal I-9 requirements.
Federal I-9 audits can occur without prior notice; Wisconsin employers must have audit-ready I-9 files at all times.

Wisconsin E-Verify: Frequently Asked Questions

Does Wisconsin require E-Verify?

No. Wisconsin does not require employers to use E-Verify. Participation is voluntary. All Wisconsin employers must complete Form I-9 for every new hire under federal law.

Can Wisconsin employers voluntarily use E-Verify?

Yes. Any Wisconsin employer may enroll in E-Verify. If you choose to participate, you must apply E-Verify consistently to all new hires.

What I-9 records must Wisconsin employers retain?

Wisconsin employers must retain I-9 forms for 3 years from the hire date or 1 year after employment ends, whichever is later.

Are federal contractors in Wisconsin required to use E-Verify?

Yes. Federal contractors in Wisconsin with qualifying contracts must use E-Verify under FAR 22.1803.

Nearby State Requirements

Illinois(Voluntary)Michigan(Public only)Iowa(Voluntary)Minnesota(Public only)

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