VA Form 21-10210: Buddy Letters That Support Your Claim

VA Form 21-10210 is the VA’s official lay or witness statement form, commonly called a buddy letter, used to submit a written personal account supporting a veteran’s disability claim.¹ The veteran, a family member, a fellow service member, or anyone else with firsthand knowledge can use it to describe how a condition affects daily life or to corroborate something that happened during military service. The VA reads these statements alongside medical and service records when deciding a claim, and a specific, well-anchored statement can carry real weight.

Who Can Write One

Anyone with personal knowledge of the veteran’s condition or service experiences can complete the form. Federal regulation defines competent lay evidence as anything “provided by a person who has knowledge of facts or circumstances and conveys matters that can be observed and described by a lay person.”² No medical training or professional credential is needed. The writer just needs to have actually seen or experienced what they describe.

The people who typically submit buddy letters include:

The veteran, describing in their own words how a disability limits work, sleep, or daily tasks.
A spouse or family member, noting changes in mood, mobility, or behavior the veteran may downplay.
Fellow service members, confirming specific incidents, injuries, or exposures during deployment or training.
Friends, coworkers, or neighbors, describing visible symptoms or limitations they’ve observed over time.

Stick to What You Personally Saw

A witness can only describe things they personally observed. A spouse can write, “I see my husband wake up screaming from nightmares four or five nights a week.” A spouse cannot write, “His therapist told me he has severe PTSD.” The regulation limits lay evidence to matters “that can be observed and described by a lay person,” so leave secondhand information out.²

Do not diagnose either. You can describe limping, nightmares, mood swings, or trouble gripping objects. You cannot say the symptoms are caused by degenerative joint disease or major depressive disorder. Overreaching into medical territory gives a rater a reason to discount the whole statement.

Filling Out the Form

The form has five sections. Getting the identifying information right matters as much as the narrative, because a mismatch between the form and the veteran’s file can cause the VA to set the statement aside.

Section I asks for the veteran’s full name, Social Security number, and VA file number if one has been assigned.³
Section II is for the claimant’s identification, and is completed only when the claimant is someone other than the veteran, such as a surviving spouse or dependent.³
Section III is the actual written statement.
Section IV collects the witness’s name, phone, email, and mailing address when the writer is someone other than the veteran or claimant.³
Section V is the certification and signature, where the writer attests that the statement is true and correct.³

The signature is not a formality. The form warns that willfully submitting false information carries fines and up to five years in prison under federal law.⁴ That legal weight is part of why a signed 21-10210 tends to carry more persuasive force than a note on plain paper.

Download the current version directly from VA.gov before you start.¹ Using an outdated edition is an avoidable reason to get the submission bounced back.

Writing a Statement the Rater Can Actually Use

This is where buddy letters either help a claim or sit in the file doing nothing. VA disabilities are rated based on how severely a condition limits function, so vague statements like “John has a bad back and it really hurts him” give the rater nothing to work with. Concrete detail does.

Frequency, Severity, and Impact

Describe symptoms in terms of how often they happen, how bad they get, and what they stop the veteran from doing. Instead of “he has trouble walking,” write something like: “I’ve watched him walk from the living room to the kitchen, about 30 feet, and he has to stop and lean against the wall at least twice. This happens every time I visit, roughly three times a week.” That gives a rater something measurable.

For an in-service event, anchor the story with facts: an approximate date, a location, the unit, what you personally witnessed, and what happened right afterward. “We were at FOB Salerno in Khost Province in July 2009 when a mortar hit the dining facility, and I saw Sergeant Davis thrown to the ground by the blast” reads very differently from “I was there when he got hurt.”

Before and After

One of the most valuable things a lay witness can do is describe how the veteran was before the condition took hold and how they are now. A spouse can write about how the veteran used to coach their kid’s soccer team and now won’t leave the house on weekends. A battle buddy can describe someone going from the most social person in the platoon to withdrawn and isolated after a specific deployment. The VA weighs lay evidence alongside medical records, and these observations fill gaps clinical notes rarely capture.⁵

PTSD and Military Sexual Trauma Claims

Lay statements carry extra weight in PTSD claims because the stressor event often has little or no paper trail. For combat-related PTSD, if the evidence shows the veteran engaged in combat, their own lay testimony can establish the stressor as long as it’s consistent with the conditions of their service. The same rule applies to stressors involving fear of hostile military or terrorist activity, provided a VA psychologist or psychiatrist confirms the stressor supports a PTSD diagnosis.⁶

Military sexual trauma claims present a specific challenge because these incidents are frequently unreported. The VA accepts indirect evidence of behavioral changes after the trauma when direct evidence doesn’t exist, which is exactly where buddy letters become essential.⁷ A witness can describe observed changes such as:

A decline in work performance
Significant changes in eating habits or weight
Relationship breakdowns or divorce
New substance use problems
Unexplained financial or social decisions
Withdrawal from friends and activities
Panic attacks, depression, or persistent anxiety

The regulation also allows evidence from sources like requests for a transfer to a different duty assignment, counseling appointments without a recorded diagnosis, and treatment for physical injuries around the time of the incident.⁷ A buddy letter describing a sudden, visible personality shift tied to a specific timeframe can hold an MST claim together when official records are silent.

How To Submit the Form

You have several ways to get the completed, signed form into the VA’s system:

Upload it online through QuickSubmit, the VA’s digital evidence intake tool accessible through the AccessVA portal. This is the fastest option and provides a confirmation receipt.⁸
Mail it to the Department of Veterans Affairs Claims Intake Center, PO Box 4444, Janesville, WI 53547-4444.⁹
Fax it to 844-531-7818.⁹
Bring it in person to your local VA regional office.

Keep a copy for your records no matter which method you use. If you mail or fax it, use a method with delivery confirmation. Paper submissions get scanned into the electronic claims file, which adds time; if a claim is already moving, QuickSubmit is the way to avoid delays.

What Happens Next

Once received, the form is added to the veteran’s electronic claims file, known as a C-file. A rating official reviews the statement alongside medical records, service records, and any other evidence. If the statement describes symptoms or events the VA hasn’t yet evaluated, it can trigger a Compensation and Pension exam for further assessment.²

The buddy letter doesn’t get its own timeline; it’s part of the overall claim. Submitting the form promptly after filing the claim, rather than trickling evidence in weeks later, helps avoid resetting the review clock.

If a rating decision comes back and never mentions a buddy letter you submitted, you have options. Under 38 CFR § 3.2500, you can request a Higher-Level Review within one year, in which a senior adjudicator reexamines the existing evidence for errors like overlooked lay statements. You can file a Supplemental Claim on VA Form 20-0995 with new and relevant evidence, with no time limit. Or you can appeal to the Board of Veterans’ Appeals.¹⁰¹¹ Holding onto your submission confirmation makes it much easier to show the evidence was in the file and should have been considered.

1
U.S. Department of Veterans Affairs. VA Form 21-10210 – Lay/Witness Statement
2
eCFR. 38 CFR 3.159 – Department of Veterans Affairs Assistance in Developing Claims
3
Department of Veterans Affairs. VA Form 21-10210 – Lay/Witness Statement
4
Office of the Law Revision Counsel. 18 U.S. Code 1001 – Statements or Entries Generally
5
U.S. Department of Veterans Affairs. Evidence Needed for Your Disability Claim
6
eCFR. 38 CFR 3.304 – Direct Service Connection; Wartime and Peacetime
7
U.S. Department of Veterans Affairs. Military Sexual Trauma and Disability Compensation
8
VA News. QuickSubmit: New Evidence Intake Tool for Claims
9
U.S. Department of Veterans Affairs. How to File a VA Disability Claim
10
eCFR. 38 CFR 3.2500 – Review of Decisions
11
U.S. Department of Veterans Affairs. VA Form 20-0995