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Definition

A federal document used to verify an employee’s identity and authorization to work in the U.S.

What is Form I-9?

All U.S. employers must complete Form I-9 for each employee, verifying their identity and employment eligibility. Forms must be filled out within three days of hire and retained for specific periods. 

Why is Form I-9 Important for Employers?

  • Properly completing and maintaining this form helps employers stay compliant with requirements and prepared for potential audits. Key responsibilities include: 
  • Completing sections 1 and 2 accurately 
  • Reviewing original documents in-person (or virtually under DHS guidelines) 
  • Securely storing and retaining forms per federal timelines 

FAQs

What is the purpose of Form I-9?

It verifies the identity and employment authorization of individuals hired for employment in the United States. 

Who is required to complete Form I-9?

All U.S. employers must complete Form I-9 for each individual they hire (citizens or noncitizens) on or before the employee’s first day of work. 

How long must an employer retain the I-9 form?

Employers must retain the form for either three years after the hire date or one year after employment ends, whichever is later. 


How ExtensisHR Can Help

We simplify I-9 compliance by offering: 

  • Secure electronic I-9 solutions 
  • Training and documentation audits 
  • E-Verify administration when applicable 
  • Timely document retention and proper disposal 

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