Family & adoptionOfficial USCIS form guide

USCIS Form I-129F: Petition for Alien Fiancé(e)

Quick answer

What is USCIS Form I-129F used for?

Use this form to petition to bring your: Fiancé(e) (K-1) and their children (K-2) to the U.S. so you may marry your fiancé(e); or Spouse (K-3) and their children (K-4) to the U.S. to await the approval of a Form I-130 filed on behalf of your spouse. How to Report Suspected Marriage Fraud U.S. Immigration and Customs Enforcement (ICE) has an online tip form to report suspected benefit/marriage fraud or other violations. Help for Immigration Crime Victims Different types of support are available through ICE’s Victims of Immigration Crime Engagement (VOICE) Office.

What to prepare before filling I-129F

  1. 01

    Confirm that Form I-129F, Petition for Alien Fiancé(e), matches the specific benefit, request, verification, or record you need.

  2. 02

    Download the current Form I-129F and its separate instructions from USCIS, then compare the edition date before typing any answers.

  3. 03

    For Form I-129F, collect the identity records, receipt or account numbers, dates, addresses, and prior immigration documents that support your answers.

  4. 04

    For the relationship questions in Form I-129F, build a timeline and gather the civil records, translations, and custody or adoption evidence that applies.

Current official filing details

The details below are condensed from the USCIS page reviewed on 2026-07-26. Follow the official page and instructions if they differ from this snapshot.

Edition date

01/20/25. You can find the edition date at the bottom of the page on the form and instructions.

Where to file

File Form I-129F at the USCIS Dallas lockbox. U.S.

Postal Service (USPS): USCIS Attn: I-129F P.O. Box 660151 Dallas, TX 75266-0151 FedEx, UPS, and DHL deliveries: USCIS Attn: I-129F (Box 660151) 2501 South State Highway 121 Business Suite 400 Lewisville, TX 75067-8003 We cannot adjudicate this form at USCIS international offices.

Filing fee

You can find the filing fee for Form I-129F by visiting our Fee Schedule page.

Initial evidence

Did you provide the following? Evidence of your U.S. citizenship: A copy of your birth certificate, issued by a civil registrar, vital statistics office, or other civil authority showing you were born in the United States; A copy of your naturalization or citizenship certificate issued by USCIS or the former Immigration and Naturalization Service; A copy of Form FS-240, Consular Report of Birth Abroad (CRBA), issued by a U.S.

Embassy or U.S. Consulate; A copy of your unexpired U.S. passport; or An original statement from a U.S. consular officer verifying you are a U.S. citizen with a valid passport.

Evidence you or your fiancé legally terminated any previous marriages (if applicable): Final Divorce decree; Annulment order; or Death certificate for prior spouse. One color passport-style photograph of yourself and one for your fiancé taken within 30 days of you filing this petition; Evidence of legal name change (if applicable); Evidence to support an International Marriage Broker Regulation Act waiver (if applicable); and Form G-28, Notice of Entry of Appearance as Attorney or Accredited Representative (only if you are represented by an attorney or accredited representative).

USCIS filing tips

Complete all sections of the form. We will reject the form if these fields are missing: Part 1.

Information About You Classification Sought for Your Beneficiary Family Name Your Mailing Address Date of Birth Part 2. Information About Your Beneficiary Classification Sought for Beneficiary Family Name Date of Birth

Special instructions

E-Notification: If you want to receive an e-mail and/or text message that we have accepted your form at a USCIS lockbox, complete Form G-1145, E-Notification of Application/Petition Acceptance, and clip it to the first page of your form. Do not include: Anything that contains electronic chips and batteries (such as musical greeting cards) or any non-paper materials such as CD-ROMS, DVDs, toys, action figures, or thumb drives.

We will not accept these types of materials. However, we will accept photographs or copies of these items; Any biological or genetic samples as DNA evidence.

For information on DNA testing and submitting DNA samples, please visit the Department of State’s webpage; or Graphic photos of childbirth or intimate relations as evidence of a relationship or marital bona fides. Withdrawal Requests If you are the Form I-129F petitioner and you wish to withdraw the Form I-129F that you filed on behalf of your fiancé(e) or spouse, please submit a signed, written request to withdraw your Form I-129F.

If USCIS has already approved your Form I-129F, you must contact the Department of State to withdraw the Form I-129F.

Official I-129F downloads and filing links

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USCIS Form I-129F FAQ

What is Form I-129F used for?

Use this form to petition to bring your fiancé(e) (K-1) and their children (K-2) to the U.S. so you may marry your fiancé(e), or to bring your spouse (K-3) and their children (K-4) to the U.S. to apply for lawful permanent resident status.

How much does Form I-129F cost?

You can find the filing fee for Form I-129F by visiting our Fee Schedule page.

Can I file Form I-129F online?

The USCIS all-forms directory does not list a general online filing option for this form. Follow the official page for the required filing method.

Related USCIS form guides

Source: U.S. Citizenship and Immigration Services. Independent guide by Clerks AI; not affiliated with USCIS and not legal advice.

Last researched 2026-07-26. Recheck the official page before filing.