Form N-644: Application for Posthumous Citizenship
Fill Form N-644 in the FormVeritas Form Workspace and run 33 checks written for this form. Catch blank answers, conflicting dates and missing signatures before USCIS does.
What is Form N-644?
Form N-644 is used to request posthumous U.S. citizenship for a noncitizen who died as a result of injury or illness incurred during active-duty service in the U.S. armed forces during specified periods of hostilities. It is honorary and does not give immigration benefits to relatives.
Who files it: The deceased service member's next of kin or another authorized representative.
What USCIS typically asks for
- Evidence of honorable active-duty service during a qualifying period
- Death certificate showing the service-connected cause of death
- Proof of the requester's relationship to the deceased
A plain-English summary, not legal advice. The Form N-644 instructions on uscis.gov are the official list of requirements and evidence.
What FormVeritas checks on Form N-644
When you run an audit from the Form Workspace, FormVeritas reviews the answers you entered using checks written for this form's fields.
How entries are written 16 checks
Checks how entries are written against what each field asks for.
Areas include: places of birth; A-Numbers; Social Security numbers; addresses; and marriage and family details.
Dates 9 checks
Checks the dates entered on this form.
Areas include: dates of birth.
Answers that do not fit together 1 checks
Compares related answers on this form and points out ones that do not fit together.
Areas include: names.
Check boxes and Yes/No questions 6 checks
Checks how boxes are selected in the groups of choices on this form.
Signatures 1 checks
Checks the signature lines on this form.
Before you file Form N-644
- Use the current edition (04/01/24). USCIS may reject outdated editions.
- Read the Form N-644 instructions on uscis.gov for what to include.
- Confirm the fee with the USCIS Fee Calculator and Form G-1055.
- Answer every question that applies to you, including each Yes/No question.
- Sign and date every required signature line.
- Run a FormVeritas audit and fix everything it flags.
What these checks don't do
They don't check that every question that applies to you is answered, whether your answers are true, or whether you're eligible for what you're asking for. A report with no findings does not mean USCIS will accept or approve your filing.
Not legal advice. For eligibility questions, talk to a licensed immigration attorney.
Form N-644 questions
What is Form N-644 used for?
Form N-644 is used to request posthumous U.S. citizenship for a noncitizen who died as a result of injury or illness incurred during active-duty service in the U.S. armed forces during specified periods of hostilities. It is honorary and does not give immigration benefits to relatives.
Who files Form N-644?
The deceased service member's next of kin or another authorized representative.
What does FormVeritas check on Form N-644?
FormVeritas runs 33 checks written for Form N-644, covering how entries are written, dates, answers that do not fit together, check boxes and yes/no questions, signatures.
What is the current edition of Form N-644?
USCIS lists 04/01/24 as the current edition of Form N-644. FormVeritas last checked this on October 21, 2026. Always confirm the edition on uscis.gov before you file.
Is the Form N-644 filing fee shown here?
USCIS lists fees for Form N-644 on Form G-1055, Fee Schedule (edition 10/16/26). Use the USCIS Fee Calculator to confirm the fee that applies to your filing.
Does a clean FormVeritas report mean USCIS will approve my Form N-644?
No. FormVeritas checks the form for preventable mistakes. It does not check eligibility or whether answers are true, and it does not guarantee acceptance or approval.
More related forms
Check your Form N-644 before USCIS does.
Fill Form N-644 in the Form Workspace and get a plain-English report of what to fix. Your first audit is free.
Not legal advice. No approval guarantee. A smarter way to catch form mistakes before you file.