E-Verify Requirements in Missouri: 2026 Employer Guide
Missouri requires public employers and state contractors to use E-Verify. Private employers are not subject to a state mandate.
Mandatory — Public Employers & ContractorsResearched by the I9AuditReady Research Team
·Last Updated: April 2026
Missouri E-Verify at a Glance
- Requirement Level
- Mandatory — Public Employers & Contractors
- Applies To
- Public employers and state contractors
- Employee Threshold
- All employers
- Key Statute
- Mo. Rev. Stat. § 285.530
- Effective Date
- January 1, 2009
Who Must Use E-Verify in Missouri
Missouri requires E-Verify for public employers and government contractors.
Missouri requires public employers and state contractors to use E-Verify. Private employers are not subject to a state mandate.
Key Facts: E-Verify in Missouri
- Missouri requires all public employers and contractors doing business with the state to use E-Verify under Mo. Rev. Stat. § 285.530, effective January 1, 2009.
- Missouri public contractors must certify E-Verify compliance and may not use subcontractors who do not comply.
- Missouri does not impose E-Verify requirements on private employers not engaged in government contracting.
Penalties for Non-Compliance in Missouri
State contractors who fail to certify E-Verify compliance may be disqualified from state contracts.
Note: Federal I-9 penalties apply in addition to any state E-Verify penalties. Consulting employment counsel is advisable before responding to any state or federal enforcement action.
Exceptions and Exemptions
- Private employers not contracting with the state
Missouri E-Verify: Frequently Asked Questions
Does Missouri require E-Verify for private employers?
No. Missouri's E-Verify requirement under Mo. Rev. Stat. § 285.530 applies to public employers and state contractors. Private employers without government contracts are not required to participate.
When did Missouri's E-Verify requirement take effect?
Missouri's public employer and contractor E-Verify requirement took effect January 1, 2009.
What must Missouri government contractors do to comply with E-Verify?
Missouri government contractors must enroll in E-Verify, use it for all new employees on state contracts, certify compliance, and extend the requirement to all subcontractors.
Do Missouri private employers still need to complete I-9 forms?
Yes. All Missouri employers must complete Form I-9 for every new hire under federal law. This is separate from and in addition to any state E-Verify requirements.
Nearby State Requirements
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