Adult Derivative Citizenship Claim

Applicants 18 years old and over, born outside the United States, may claim U.S. citizenship through his/her biological parent who was a United States citizen at the time of the applicant’s birth. Once the citizenship claim is established, the applicant qualifies for a first-time U.S. passport. Applicants 18 years old and over are not eligible for issuance of a Consular Report of Birth Abroad (CRBA). Please click here to visit the Department of State’s website to find out if you may qualify for U.S. citizenship.

All appointments for Adult Derivative Citizenship Claim in Thailand will be made only after receiving the application by mail in order to provide better service to our citizens. Please note, Embassy and Consulate staff cannot pre-adjudicate the applications, pre-screen documents or answer specific questions via phone/email until we receive the application package via post mail.

In-person delivery of applications are not accepted as receipt of an application and the interview cannot happen on the same day.

Once the determination is made that all required documents are completed, we will contact you via email to schedule an appointment. Please follow the below steps on how to apply for Adult Derivative Citizenship Claim.

  1. A completed DS – 2029: The Application for Consular Report of Birth Abroad for a Citizen of the United States of America.

    Although the DS-2029 is required for a CRBA and the applicant is ineligible for a CRBA, the DS-2029 is also utilized to gather necessary eligibility documents and evidence to adjudicate the applicant’s Adult Derivative Claim of U.S. citizenship. Please ensure the DS-2029 is filled out completely and correctly.

    Name usage: The name on the form DS-2029 should be the name recorded on your child’s local birth certificate. Should you wish to document your child’s name differently, an official name change document such as Court order of Name change, or Name change certificate must be provided to reflect the change.

  1. A completed DS – 11: The Application for a U.S. Passport
  1. One passport photograph 2in x 2in (5cm x 5cm) set against a white background, taken in the last six months. No eyeglasses allowed in passport photos. See link for specific requirements, photos that do not meet the requirements will be rejected.
  1. One COPY of each required document according to the Adult Derivative Citizenship Claim Checklist (PDF 152KB). DO NOT send the original documents, you will present the original documents at the interview.

Adult Derivative passport application fee must be submitted with the mail-in application documents. Failure to provide fee payment will delay your ability to receive an appointment.

How to pay:

Effective on September 20, 2023, Exchange rate for U.S. Mission Thailand will be Baht 37: USD 1. Please use the following rate.

Print Bank draft request form here, “CIT-CLAIM 6105 THB” (PDF 858KB)

IMPORTANT: Please check for correctness on the issued bank drafts (see sample below) prior to leaving the bank. DO NOT write on the bank draft.

IMPORTANT: Please check for correctness on the issued bank drafts (see sample below) prior to leaving the bank. DO NOT write on the bank draft.

  • The U.S. Embassy requires applicants to complete page 2 of the CRBA application (DS-2029) accurately. The parent transmitting U.S. citizenship to his or her child should list all dates you have been present in the United States. (Month and Year [or MM-YY format] is acceptable if exact dates are unknown. You may be asked to provide exact dates if necessary, to determine statutory requirements have been met. If this section of the application is missing or incomplete, it may delay the application processing.
  • In the event the applicant has one U.S. citizen parent and one foreign national parent, proof of the U.S. citizen parent’s physical presence (i.e. the number of days the U.S. citizen parent was demonstrably in the United States) is required.
  1. If the applicant was born on or after 14 November 1986, he or she will need to show five years of cumulative physical presence of in the U.S. for the U.S. citizen parent, two of which must have been after the parent was 14 years of age.
  1. If the applicant was born on or before 13 November 1986, he or she will need to show ten (10) years of cumulative physical presence of in the U.S. for the U.S. citizen parent, five (5) of which must have been after the parent was 14 years of age.
  • Examples of items that show physical presence are entry/exit stamps in current and previous passports, school/college transcripts, income tax returns with W-2’s, social security earnings history, pay stubs, military/government orders, etc. Applicants are encouraged to provide as much evidence as possible. If the provided evidence is deemed insufficient you will receive email notification and a timeline to submit further evidence/documentation before an appointment can be scheduled.
  • Evidence of physical presence is not required if BOTH parents were U.S. citizens before the birth of the applicant. However, evidence of current or prior residence in the United States is required for one of the two parents.

 

Please review and sign the Adult Derivative Citizenship Claim Checklist (PDF 218KB) with two preferred dates for an interview at American Citizens Services unit, Consular Section.

  • Interview in Bangkok (Monday – Thursday at 7:30am or 8:15am ONLY)
  • Interview in Chiang Mai (Monday, Tuesday, or Thursday at 10.30am only)

Please note that we do not offer interview on official holidays. See a list of our official holidays here.

Please ensure you have all the required documents prepared for the application. Failure to include all necessary forms and information may delay the application process.

Embassy and Consulate staff cannot pre-adjudicate the applications, pre-screen documents or answer specific questions via phone/email until we receive the application package via post mail.

Send your completed application package ONLY through the following couriers (Thailand Post and DHL), otherwise the package will be rejected; ensuring that you received a tracking number from the courier.

APPLYING IN BANGKOK
Attn: Mail-in CRBA Application
American Citizens Services, Consular Section
95 Wireless Road
Bangkok 10330, Thailand

APPLYING IN CHIANG MAI
Attn: Mail-in CRBA application
American Citizen Services, Consular Section
387 Wichayanond Road, T. Chang Moi
A. Muang, Chiang Mai 50300, Thailand

  • Upon receipt of the application packet the American Citizens Services Unit will review the documents and schedule an appointment on one of the preferred dates. The confirmed appointment date and time will be sent to the parent’s email addresses provided on the checklist.
  • ONLY the applicant and/or both parents should be present at the interview. The applicant MUST appear, NO EXCEPTIONS. Minor siblings may accompany the family; however, this is not recommended as appointments can last 1-2 hours and the waiting area is small unaccommodating.
  • Please arrive at the Consular Section 15 minutes prior to the appointment. The appointment time is not the same as the interview time. Interview times depend on the number of applicants and the length of the interviews.
  • Bring your appointment confirmation email and valid government issued photo identification for both parents.
  • Inside the Consular Section all applicants will pass through a metal detector and will undergo an extensive security screening. Cameras, mobile phones, smart watches, laptops and other small electronic devices with features such as Bluetooth, Wi-Fi, audio and video recording, or global positioning system (GPS) are not allowed inside the Embassy. Luggage is also not allowed. Strollers, diaper bags, baby foods and formulas will be screened.
  • Bring ALL original documents of which copies were made and mailed with the CRBA application.

New passport will be returned to you by mail. You will be directed to purchase insured return envelope in our waiting area during your appointment.

After the five to six weeks processing period has passed, you may track your passport through the Thai Post website https://track.thailandpost.co.th/. Your tracking number is located on your Thai Post receipt.

Your new passport will reach you within five to six weeks from the date your application was received for processing. Someone must be present to sign for delivery. If no one is present to sign and receive the envelope, it will be kept at your local Thai Post Office until you retrieve it. Please check with your local Thai Post Office before reaching out to us if you have not received your envelope within five to six weeks.