How to Handle a Name Change on Form I-9

When an employee gets married, divorced, or legally changes their name, most HR teams ask the same question: do I need to redo the I-9?

The short answer is no — but you should update it. And the way you handle it matters more now than ever. In March 2026, U.S. Immigration and Customs Enforcement (ICE) reclassified incomplete name fields as substantive violations, meaning errors that used to earn a 10-day correction window now trigger immediate fines of $288 to $2,861 per form.

Here's exactly what to do — and what not to do — when an employee's legal name changes.

Do You Need a New Form I-9 for a Name Change?

No. According to U.S. Citizenship and Immigration Services (USCIS), employers are not required to complete a new Form I-9 when an employee has a legal name change.

However, USCIS recommends that employers maintain correct information on Forms I-9 and note any name changes in Supplement B (formerly Section 3).

There is one exception. If the employee's name, date of birth, or Social Security number is substantially different from what they originally provided — and they cannot provide evidence linking the new information to the identity previously used — you must complete a new Form I-9. More on that below.

How to Record a Name Change in Supplement B

Recording a legal name change in Supplement B is straightforward:

1. Update the name fields at the top of the Supplement B page. Enter the employee's new legal last name, first name, and middle initial.
2. Sign and date the attestation in the Supplement B block you are completing.
3. No document re-examination is required. You do not need to ask the employee for any identity or work authorization documents just because their name changed.

That's it. No new documents, no reverification, no new I-9.

"Keeping Supplement B current is one of the simplest things an employer can do to stay audit-ready," says Patricia, Director of Compliance at i9 Intelligence. "When ICE reviews your I-9s, they check that the name on the form matches the employee. An updated Supplement B shows you were paying attention."

If you need to complete Supplement B but your original Form I-9 is an older version that is no longer valid, complete Supplement B on the current version of Form I-9 and attach it to the previously completed form.

Quick-Reference: Name Change Actions

Marriage, Divorce, and Court-Ordered Name Changes

Marriage is the most common reason for a name change on Form I-9. Here's what USCIS guidance says about each scenario:

Marriage: The employee changes their last name after getting married. Update Supplement B with the new name. The employee does not need to present a marriage certificate, though they may voluntarily provide one for your records.

Divorce: The employee reverts to a maiden or prior name. Same process — update Supplement B. No documents required.

Court-ordered name change: Any legal name change by court order (gender transition, personal preference, etc.) follows the same Supplement B process.

In all three cases, the employee is not required to provide documentation of the name change under Form I-9 regulations. However, you may ask the employee to provide supporting documents to keep on file, so your actions are well-documented if the government inspects the employee's Forms I-9.

Not Sure How to Handle a Name Change on Your I-9s?

Our compliance team has handled thousands of these. Whether it's a simple marriage name change or a complex identity update, we can walk you through it. Schedule a free compliance call or check your current forms with our I-9 risk calculator.

When Documents Don't Match the New Name

This is the question that trips up most employers. Your employee just got married and her driver's license still shows her maiden name. Can you accept it?

Yes. According to the M-274 Handbook for Employers (Q8), you may accept a document with a different name than the name entered in Section 1 if the document reasonably relates to the employee. You may also attach a brief memo to the employee's Form I-9 explaining the reason for the name discrepancy, along with any supporting documentation the employee provides.

Key rules for document name mismatches:

• Different last name (e.g., maiden name on one document, married name on another): Acceptable if the document reasonably relates to the employee. The employee may provide documentation to support the name change but is not required to do so.
• Slight spelling variation: Acceptable if the employee has a reasonable explanation and the document otherwise appears genuine and relates to them (M-274, Q9).
• Don't demand specific documents. You cannot require a marriage certificate, court order, or Social Security card update. The employee chooses which acceptable documents to present. Requiring specific documents could violate anti-discrimination provisions of the Immigration and Nationality Act (INA).

When a New Form I-9 IS Required

A name change only requires a completely new Form I-9 in one specific situation: the employee's identity information is substantially different and they cannot link it to their prior identity.

Per USCIS guidance, if the employee informs you that their name, date of birth, or Social Security number is substantially different from what they previously provided, and is unable to provide evidence connecting the new information to the identity previously used, you should:

1. Complete a new Form I-9.
2. Enter the original hire date in the "employee's first day of employment" field in Section 2.
3. Attach the new Form I-9 to the previously completed form.

This scenario is rare in the context of a standard legal name change. Marriage, divorce, and court orders create a clear paper trail between old and new names. The "substantially different" rule applies to situations where the connection between identities isn't clear.

Name Changes and E-Verify

If you use E-Verify and the employee's name change hasn't been updated with the Social Security Administration (SSA), it can trigger a Tentative Nonconfirmation (TNC) — an SSA mismatch where the name on the I-9 doesn't match SSA records.

To avoid this, advise employees to update their name with SSA before you run E-Verify on any new case. E-Verify compares the Section 1 information against SSA and Department of Homeland Security (DHS) databases, and a name mismatch is one of the most common reasons for a TNC result.

A name change on an existing employee's Form I-9 does not require you to create a new E-Verify case. E-Verify cases are only created when a new I-9 is completed (new hire or rehire).

ICE Audits and Name Discrepancies

Under the March 2026 ICE reclassification, failure to ensure an employee completes their printed or typed legal name in Section 1 is a substantive violation. Failure to record an employee's complete name at the top of page 2 (Supplement B) is also flagged during audits.

This means name accuracy on Form I-9 carries more weight than ever. Keeping Supplement B current when employees change their names is no longer just a best practice — it's a concrete defense against audit findings. When an ICE auditor reviews your forms, a properly updated Supplement B shows good-faith compliance.

For a complete walkthrough of what triggers an ICE audit and how to prepare, see our I-9 audit checklist.

Frequently Asked Questions

Is a new I-9 required for a name change?

No. USCIS recommends recording the name change in Supplement B but does not require a new Form I-9 unless the identity information is substantially different and the employee cannot link their old and new identities.

Does an employee need to show ID for a name change on Form I-9?

No. Form I-9 regulations do not require employees to present documentation of a legal name change. However, employers may ask the employee to provide supporting documents to keep on file with the Form I-9.

What if my employee's documents have a different last name?

Accept the document if it reasonably relates to the employee. You may attach a brief memo to the Form I-9 explaining the name discrepancy. The employee is not required to provide documentation of the name change, but may voluntarily do so.

How do I update Supplement B for a name change?

Enter the employee's new legal last name, first name, and middle initial in the name fields at the top of the Supplement B page. Sign and date the block. No document information is required.

Can an employee use a birth certificate with a maiden name for Form I-9?

Yes. A birth certificate with a maiden name is acceptable as long as it reasonably appears genuine and relates to the employee. You cannot reject a document solely because the name differs from what the employee entered in Section 1.

Questions about I-9 name changes or Supplement B? Our compliance team has 27+ years of I-9 and E-Verify experience.

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