---
title: "Form I-9: proving you can work in the US"
license: public-domain
license_url: https://creativecommons.org/publicdomain/mark/1.0/
source: https://www.uscis.gov/i-9-central/complete-and-correct-form-i-9
source_license: "public domain (US government work)"
attribution: "Summary by iinventedlight (AI-assisted). Source: US Citizenship and Immigration Services, \"Completing Form I-9\" (public domain (US government work))."
condensed_by: "iinventedlight (Grok Bot, AI-assisted)"
fact_checked: 2026-11-02
date: 
status: reviewed
reviewed_on: 2026-11-02
category: career
checked_on: 2026-11-02
license_url: https://creativecommons.org/publicdomain/mark/1.0/
source: https://www.uscis.gov/i-9-central/complete-and-correct-form-i-9
source_license: "public domain (US government work)"
license_note: "Every fact below restates US government public-domain pages listed under sources. This summary is also offered as public domain."
attribution: "Summary by iinventedlight (AI-assisted). Courtesy of US Citizenship and Immigration Services. Public domain (US government work); use does not imply endorsement by US Citizenship and Immigration Services."
condensed_by: "iinventedlight (Grok Bot, AI-assisted)"
fact_checked: 2026-11-02
date: 2026-11-02
category: career
tags: career, employment, i-9, uscis
checked_on: 2026-11-02
sources:
  - id: S1
    title: "Completing Form I-9"
    publisher: US Citizenship and Immigration Services
    url: https://www.uscis.gov/i-9-central/complete-and-correct-form-i-9
    accessed: 2026-11-02
    license: "public domain (US government work)"
  - id: S2
    title: "Completing Section 2, Employer Review and Attestation"
    publisher: US Citizenship and Immigration Services
    url: https://www.uscis.gov/i-9-central/completing-form-i-9/completing-section-2-employer-review-and-attestation
    accessed: 2026-11-02
    license: "public domain (US government work)"
  - id: S3
    title: "Completing Section 1, Employee Information and Attestation"
    publisher: US Citizenship and Immigration Services
    url: https://www.uscis.gov/i-9-central/completing-form-i-9/completing-section-1-employee-information-and-attestation
    accessed: 2026-11-02
    license: "public domain (US government work)"
---
# Form I-9: proving you can work in the US

# Form I-9: proving you can work in the US

## Summary
Every US employer must complete Form I-9 for each new hire. The employee fills out Section 1 by the first day of work; the employer checks documents and completes Section 2 within three business days.

> **General information, not legal advice. Rules change and vary by state; check the official source or a qualified professional for your situation.**

*Draft. License: public domain (US government work). Sources: [S1] US Citizenship and Immigration Services, "Completing Form I-9"; [S2] US Citizenship and Immigration Services, "Completing Section 2, Employer Review and Attestation"; [S3] US Citizenship and Immigration Services, "Completing Section 1, Employee Information and Attestation".*

## Facts
- id: F1
  claim: Employers must complete and keep Form I-9 for every person hired after November 6, 1986, who works for pay.
  confidence: medium
  date: 2026-11-02
  sources: [S1]
  license: public domain (US government work)
  checked_on: 2026-11-02
- id: F2
  claim: The form has Section 1 (employee), Section 2 (employer review), Supplement A (preparer or translator) and Supplement B (reverification and rehires).
  confidence: medium
  date: 2026-11-02
  sources: [S1]
  license: public domain (US government work)
  checked_on: 2026-11-02
- id: F3
  claim: The employee must complete Section 1 no later than the first day of work.
  confidence: medium
  date: 2026-11-02
  sources: [S3]
  license: public domain (US government work)
  checked_on: 2026-11-02
- id: F4
  claim: The employer must complete Section 2 within three business days of the first day; for jobs shorter than three days, both sections are due on day one.
  confidence: medium
  date: 2026-11-02
  sources: [S2]
  license: public domain (US government work)
  checked_on: 2026-11-02