USCIS (US Citizenship and Immigration Services) · United States

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Form I-9: Employment Eligibility Verification

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JustFill is not affiliated with USCIS (US Citizenship and Immigration Services). This is an independent third-party tool to help you complete Form I-9. Always download the current blank form from the official source and verify your completed copy before signing or submitting. Official Form I-9 from USCIS (US Citizenship and Immigration Services)

Quick answer

Form I-9, Employment Eligibility Verification, is the USCIS form that confirms the identity and work authorization of everyone hired in the United States — citizens and noncitizens alike. The employee completes Section 1 by their first day; the employer examines original documents and completes Section 2 within 3 business days of the start date. Employers keep it on file rather than submitting it. With JustFill you upload the blank USCIS I-9 PDF, the AI detects every field, and you complete and download it free.

Form
Form I-9
Issued by
USCIS (US Citizenship and Immigration Services)
Country
United States
Cost to fill
Free

What is Form I-9?

Form I-9 verifies the identity and employment authorization of every person hired for employment in the United States — citizens and noncitizens alike. Federal law requires employers to complete I-9 for each new hire within 3 business days of the start date, and to retain it for the longer of 3 years from hire or 1 year from termination. Section 1 is completed by the employee; Sections 2 and 3 are completed by the employer.

Who fills out Form I-9?

  • Every employee hired in the United States, regardless of citizenship or immigration status
  • Employers and HR teams completing employer verification within 3 business days of hire
  • HR for re-verification when work authorization documents expire
  • Staffing agencies and recruiters handling placement paperwork for client employers

Field-by-field breakdown

What each section of Form I-9 asks for. JustFill’s AI will detect these fields automatically when you upload the PDF — review the breakdown below so you know what to enter.

Section 1 — Employee information

Full legal name, address, date of birth, SSN (optional unless using E-Verify), email, phone.

Section 1 — Citizenship/immigration status

Check one: US citizen, noncitizen national, lawful permanent resident, or noncitizen authorized to work. LPRs and authorized noncitizens add document details.

Section 1 — Employee signature

Signed under penalty of perjury on or before the first day of employment.

Section 2 — Employer review

Within 3 business days, employer physically examines original documents from List A, or List B + List C, and records details.

Section 2 — Employer certification

Employer signs attesting the documents appear genuine and relate to the employee.

Section 3 — Reverification

Used when employment authorization expires or for rehires within 3 years.

Common mistakes to avoid

  • 1Photocopying documents instead of physically examining originals — required for in-person hires unless using authorized remote document examination.
  • 2Missing the 3-business-day deadline for Section 2 — late completion is a per-form penalty.
  • 3Accepting expired documents — most List A and C documents must be unexpired at time of hire.
  • 4Asking for specific documents — employers must let employees choose which acceptable documents to present.

How JustFill helps you complete Form I-9

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Related forms

IRS

Form W-4

Form W-4: Employee's Withholding Certificate

USCIS (US Citizenship and Immigration Services)

Form I-129

Form I-129: Petition for a Nonimmigrant Worker

SSA (Social Security Administration)

Form SS-5

Form SS-5: Application for a Social Security Card

Frequently asked questions

Yes. USCIS permits electronic I-9 completion if the system meets specific requirements (audit trail, secure access, etc.). Many HR platforms offer compliant I-9 modules.
Retain for the longer of: 3 years after the date of hire, or 1 year after the date employment ends.
No. Employers retain I-9s on file and present them only if requested by ICE, DOL, or DOJ during an inspection. They are not submitted automatically.
Civil penalties range from approximately $281 to $2,789 per violation (2024 figures) for paperwork errors, with higher penalties for knowingly hiring unauthorized workers.

Official source: Form I-9 on USCIS (US Citizenship and Immigration Services)’s website

JustFill is an independent product and is not affiliated with, endorsed by, or sponsored by USCIS (US Citizenship and Immigration Services) or any government agency. Always verify your completed form on the official version before signing or submitting.