Jobs & Careers

Form I-9 explained: documents for your first US job

What the I-9 is, which documents you can show and the deadlines on your first days.

Filling out a form

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Form I-9 verifies your identity and permission to work in the US. Every employer must complete it for every new hire, citizens included.

Timeline

  • Section 1 (you): by your first day of work
  • Section 2 (employer): within three business days of your start, after reviewing your documents

Acceptable documents

ListWhat it provesExamples
List AIdentity and work authorizationUS passport, green card, EAD card, foreign passport with I-94 showing work status
List BIdentity onlyDriver’s license, state ID
List CWork authorization onlySocial Security card without restrictions, birth certificate

You can show one List A document, or one from List B and one from List C. The employer can’t tell you which specific documents to bring.

E-Verify

Some employers also confirm I-9 information through E-Verify, a federal online system. STEM OPT employers must use it.

Frequently asked questions

When do I fill out Form I-9?

Section 1 by your first day; your employer completes Section 2 within three business days.

Can my employer ask for a specific document?

No. You choose from the acceptable lists.

What is E-Verify?

An online system some employers use to confirm work eligibility.

USA Life Nest Editorial Team

Written and reviewed by people who moved to the US as students, workers and families. We update guides when rules or prices change.

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