Use VA Form 21-4138 when another VA form or process asks for extra information, or when details do not fit the governing form. For a claimant’s firsthand account or another person’s observations, VA Form 21-10210 is the dedicated, structured Lay/Witness Statement and usually the clearer fit, not universally mandatory. VA also lists Form 21-4138 and signed blank paper as ways to submit lay evidence. A claimant can use 21-10210 for their own statement; a witness need not have served with the claimant. Use a separate 21-10210 for every additional statement and each witness. Neither form, by itself, starts every claim, Supplemental Claim, Higher-Level Review, or Board Appeal; the governing application or review form still controls. Describe facts the writer personally knows or observed, distinguish secondhand information, and do not turn observation into an unqualified diagnosis or medical nexus opinion. As of September 15, 2026, both July 2024 PDFs and both identity-verified online routes were available, although VA’s 21-10210 landing page still displayed a June 2021 revision. Sign and date the current form, use the correct submission lane, and keep proof as explained in our evidence-receipt guide. VA weighs a statement with the complete record; the form, a signature, or “buddy” label does not guarantee credibility, weight, an examination, or an award.

Quick answer: what are you actually trying to submit?

Start with the transaction, not the document name. A statement can support a request without being the request itself.

Choose the governing form first, then add a statement only when it serves the issue
What you are trying to doGoverning form or best-fit routeWhat a statement may establishWhat it does not doCurrent source and handoff
Give extra information another VA form or process requested21-4138 when the current instruction identifies itThe requested facts or explanationReplace the underlying form or process21-4138 page
Add details that did not fit the claim/application21-4138 attached to the governing claim as instructedIssue-specific overflow detailStart the claim by itself21-4138 instructions
Give your own firsthand account21-10210 is the dedicated structured option; 21-4138 or signed blank paper may also be acceptedEvents, symptoms, progression, frequency, or function you know firsthandGuarantee credibility, medical competence, or an outcomeVA evidence guidance
Submit a fellow service member’s firsthand account21-10210An event or change that person observedTurn service together into medical expertise or automatic weight21-10210 page
Submit a spouse, relative, friend, coworker, or supervisor’s observations21-10210Observed behavior, symptoms, work effects, or assistanceRequire military service or permit an unqualified diagnosis21-10210 page
Use several witnessesSeparate 21-10210 for each witnessEach writer’s distinct firsthand knowledgeMake repeated or coordinated wording more persuasiveOnline 21-10210 introduction
Give several distinct statements yourselfSeparate 21-10210 for each statement when using that formOne clearly bounded account per formRequire splitting one coherent account without reasonOnline instructions
Start a disability claim21-526EZ or the current online claimA statement may support an element of the claimReplace the claim applicationFile a disability claim
File a Supplemental Claim20-0995 or its current online route, plus permitted evidenceA new witness account may be new and relevant evidenceInitiate review without the Supplemental Claim requestSupplemental Claims
Request Higher-Level Review20-0996 or its current online routeA written argument may identify an error in the existing recordAdd new factual evidenceHigher-Level Reviews
Request a Board Appeal10182 or its current online routeA statement may be evidence only on an evidence-permitting docket and in its windowInitiate the appeal or open Board Direct to new evidenceBoard Appeals
Report an in-service traumatic event for a claimed mental-health conditionCurrent 21-0781 process when applicableIssue-specific facts that help VA identify supporting recordsReplace the governing claim or establish diagnosis/nexus by itself21-0781 page and our MST care and claims guide
Authorize VA to obtain private medical records21-4142 and 21-4142a, or submit the actual recordsA separate narrative may explain relevanceSupply authorization or provider detailsPrivate-record forms
Submit medical records, test results, a DBQ, or medical opinionThe actual document through the correct evidence routeA lay statement may describe observed effectsReplace the medical document with a paraphrase20-10208 when instructed; submission guide
Preserve an intent to fileCurrent intent-to-file route or 21-0966 when applicableNothing—a narrative is not the intent transactionSecure a potential effective date21-0966 page
Request priority processing20-10207Supporting evidence may document the qualifying circumstanceMake the priority request by narrative alone20-10207 page
Appoint a representative21-22, 21-22a, or the current appointment processNothing—a statement is not an appointmentAuthorize representationAccredited help
Use an alternate signer21-0972 when applicable with the governing formSupporting explanation only if requestedCreate alternate-signer authority by itself21-0972 page
Report evidence sent but not showingThe existing claim/review lane plus receipt and association checksThe original statement remains evidence if properly in the recordProve receipt merely by resendingUse our receipt and association workflow
Request the complete claims file20-10206/current records routeA statement can identify the question, but is not the requestObtain the C-fileUse our records guide

The first seven rows compare statement formats. The others are guardrails: if the reader’s actual job is a claim, review, appeal, authorization, priority request, appointment, signature authority, submission check, or records request, start with that governing route.

Why both statement forms remain valid

VA’s current 21-4138 page calls it a Statement in Support of Claim and says to use it for information requested by another form or process. VA’s current 21-10210 page calls it a Lay/Witness Statement for the claimant’s own claim or another Veteran’s or eligible family member’s claim. Both have current official PDFs, and both online introductions were live at our final check.

The difference is practical structure—a question of best fit, not legal exclusivity. Form 21-10210 asks for the claimed issue, tells the writer to describe what they personally know or observed, and adds witness relationship and contact sections. Form 21-4138 provides a general remarks area tied to the identified Veteran or beneficiary. VA’s evidence page expressly lists both forms—and blank paper—as ways to provide lay evidence.

So “dedicated form” does not mean “only legally accepted form.” And the existence of 21-10210 does not make 21-4138 obsolete.

When Form 21-4138 is the best fit

Use the current 21-4138 page as the starting point when VA or another form tells you to use it. Its current examples include:

  • more family or financial detail for pension, Dependency and Indemnity Compensation, or accrued-benefits matters;
  • reimbursement information after a medical-expense report; and
  • details about a claimed disability or another issue that did not fit on the original form.

The July 2024 PDF identifies the Veteran or beneficiary, provides a general remarks area, and requires that person’s signature and date under a declaration that the statements are true and correct to the best of their knowledge and belief. Its privacy text says an SSN helps VA associate records, while refusal alone does not automatically result in denial except where federal law requires disclosure. That is not a reason to publish an SSN or send a form through an unofficial channel.

Best fits: a process-requested explanation, governing-form overflow, or general supporting information for the identified claimant. Not enough by itself: a claim application, Supplemental Claim, HLR, Board Appeal, private-record authorization, priority request, representative appointment, or proof that VA associated and considered the pages.

Form 21-4138 can carry lay evidence. It simply lacks 21-10210’s structured witness relationship and contact sections, which can make 21-10210 clearer for a personal or third-party observation.

When Form 21-10210 is the best fit

Use 21-10210 when the document’s central job is a claimant’s or witness’s firsthand account. It is not only for fellow service members. The current form includes relationship choices for someone who served with the claimant, a family member or friend, a coworker or supervisor, or another relationship.

The July 2024 PDF asks the writer to identify the claimed issue and “describe what you yourself know or have observed.” If the claimant writes, the claimant signs. If another witness writes, the witness completes the witness sections and signs the certification. The form does not confer expertise: a spouse can describe interrupted sleep observed night after night, but the relationship alone does not qualify the spouse to diagnose a sleep disorder.

Use one form for one statement. The PDF and live online introduction both direct a claimant to use a separate 21-10210 for each additional statement and each witness. That separation preserves who observed what. It does not mean that more statements automatically have more weight.

Blank paper is accepted—but structure still helps

VA’s current evidence-needed page says a claimant or another person may submit lay evidence on blank paper, on 21-10210, or on 21-4138. A freeform statement is therefore not automatically invalid merely because it is not on the dedicated form.

Still, include enough structure to make the document usable: identify the Veteran or claimant and the issue; identify the writer and relationship; give appropriate contact information; explain how the writer knows; separate firsthand observation from what someone reported; state the facts; sign and date; use truthful certification language where appropriate; identify the page count and real attachments; and submit it with the governing claim or review route.

Do not invent a universal rule that an SSN must appear on every page. Follow the current official form and route, protect sensitive identifiers, and recognize that an accepted freeform format may not be as clear as 21-10210’s purpose-built fields.

Claimant statement versus witness statement

What each writer can describe—and what each must label carefully
WriterOften useful firsthand subjectsLabel separatelyDo not assume
ClaimantEvent personally experienced; remembered onset; observable symptoms; treatment history; day-to-day function; missing-record context; factual correctionApproximate dates, what a clinician said, and any fact learned from someone elsePersonal experience supplies every diagnosis, cause, nexus, or rating conclusion
Another witnessEvent witnessed; before-and-after changes; observed episodes; work, social, or daily-function effects; help personally providedWhat the claimant told the witness, opinion, uncertainty, and gaps in observationFriendship, family relationship, supervision, or shared service makes the witness an expert

A contemporaneous conversation can matter, but phrase it honestly: “The claimant told me that day…” is different from “I saw the event.” A date remembered only approximately should be called approximate. Clear limits make a statement more accurate, not less useful.

What lay evidence can establish—and what usually needs medical evidence

Under 38 C.F.R. § 3.159(a)(2), competent lay evidence does not require specialized education, training, or experience when it comes from someone with knowledge of facts or circumstances that a lay person can observe and describe. Current VA manual guidance treats several later questions separately:

  • Competence: can this writer provide evidence about this subject?
  • Personal knowledge: how did the writer learn the fact?
  • Credibility: is the account believable and consistent with itself and the record?
  • Relevance: does it make a disputed fact more or less likely?
  • Weight: how persuasive is it compared with the other evidence?
  • Sufficiency: is the complete record enough to establish the required element?

A signed, competent statement is not automatically credible, relevant, persuasive, or sufficient. VA considers pertinent medical and lay evidence as part of the entire record. “Buddy statement” is a familiar label, not a special evidentiary rank.

Subjects a lay person can generally describe include an event witnessed; a visible injury; limping; sleep interruption; observed episode frequency; behavior changes; missed work; assistance with daily activities; remembered onset; and functional limitations personally seen. The exact boundary depends on the issue and the writer’s qualifications.

Potentially complex medical subjects include an exact diagnosis, etiology or nexus, pathological mechanism, severity under a technical clinical criterion, whether one disease caused another, interpretation of imaging or lab results, medication causation beyond observed timing/effect, and medical permanency. Report what was seen and what changed. Do not transform it into a medical conclusion unless the writer is qualified to give that opinion. This is not a categorical rule that lay evidence can never bear on diagnosis or nexus; competence is context-specific.

A useful statement is specific, accurate, and bounded

A useful statement may cover:

  1. The exact issue being addressed.
  2. The writer’s identity and relationship to the claimant.
  3. How long and how often the writer had an opportunity to observe.
  4. Dates or ranges honestly known—using “approximately” when needed.
  5. The location and context relevant to the issue.
  6. A specific event or observation.
  7. What changed, and when the writer noticed it.
  8. Frequency and duration of observed symptoms or episodes.
  9. Severity described as observable impact, not a medical rating.
  10. Functional effects at work, at home, or in daily activities.
  11. Whether each fact was observed, recalled, or reported by someone else.
  12. Records, photos, messages, or logs actually attached—not merely mentioned.
  13. Signature, date, certification, page count, and requested contact details.

What weakens a statement is usually not the absence of a slogan. It is avoidable ambiguity or overclaim: invented exact dates, copied wording across witnesses, an unqualified diagnosis, a legal conclusion presented as observation, exaggeration, concealed contradictory facts, unrelated sensitive history, or a universal template that does not address the disputed issue.

Each writer should use their own words. Do not coordinate accounts to sound identical. Do not add details simply because a template suggests them. There is no official “magic phrase” that guarantees an examination, credibility finding, service connection, rating, or effective date.

Special situations where neither generic statement form is enough

A statement may supplement these tasks, but begin with the correct form:

  • Mental-health traumatic-event information: the current March 2024 Form 21-0781 is an optional, issue-specific route that may help VA identify records and evidence. VA discontinued 21-0781a on June 28, 2024. The claim or review form still governs. For a careful care-versus-claim distinction, see our MST guide.
  • Private medical records: 21-4142 supplies authorization and 21-4142a identifies providers, facilities, and treatment dates. A narrative is not authorization. A claimant may instead submit actual records through the proper evidence lane.
  • Individual unemployability: 21-8940 and employer 21-4192 may be required. A personal statement can add observed functional facts but cannot replace them.
  • Aid and attendance or housebound evidence: 21-2680 and, when applicable, 21-0779 capture medical or facility information. Lay observation may supplement that evidence.
  • Service-record reconstruction: use the correct records process. Our 1973 fire claims guide, NA Form 13075 explainer, and military-records guide separate reconstruction, claim evidence, and records access.
  • Document transmittal: current 20-10208 can identify submitted document evidence, but it is not the narrative itself and not a claim or review request.

Likewise, 21-0966 handles an intent to file, 20-10207 requests priority processing, 21-22 or 21-22a appoints a representative, and 21-0972 certifies an alternate signer where applicable. The existence of a “remarks” box does not make a generic remarks form a replacement for those transactions.

Initial claim, Supplemental Claim, HLR, and Board are different lanes

Use 21-526EZ or VA’s online application for a new or increased disability claim. If VA proposes to reduce a current rating, respond through the proposal process and its stated time limits; our rating-reduction guide explains that distinct job. If VA has already decided the issue, do not attach a new statement to a random route and assume review has begun.

A Supplemental Claim uses 20-0995 or its authorized online route and requires new and relevant evidence unless the claim is based on a change in law. VA gives a buddy statement as an example of evidence that may be new and relevant. The statement remains evidence; 20-0995 starts the review.

A Higher-Level Review uses 20-0996 or its authorized online route and does not accept new evidence. A concise written explanation can identify a factual or legal error in the record VA already had, but it must not smuggle in new factual evidence.

A Board Appeal uses 10182 or its current online route. Direct Review does not accept new evidence. Evidence Submission allows evidence with the appeal or within 90 days after the Board receives it. Hearing allows evidence at the hearing or within 90 days afterward. Docket choice and timing control before any question about which statement form looks better.

If a decision deadline is near or the right lane is uncertain, read the decision notice and consider an accredited representative. Do not rely on a generic statement to preserve a review right.

Current online routes and the 21-10210 revision mismatch

At our final check on September 15, 2026 at 05:28 UTC, both official online introductions were live without logging in. The 21-4138 route displayed its purpose, warned that VA may direct the user to a better form, and offered a verified-account sign-in/start control. The 21-10210 route displayed its claimant/witness and separate-form instructions and offered its own verified-account start control. We did not sign in, enter information, or test post-authentication submission.

Availability can change independently of a paper form’s validity. If a route is unavailable when you need it, return to the official form page for the current PDF and mailing instructions rather than using a third-party copy.

There is also a real metadata mismatch: VA’s 21-10210 landing page displayed June 2021, while the PDF linked from that page identified itself as July 2024 and said it superseded the June 2021 version. The form’s fields and footer come from the current PDF, so check the PDF revision before completing it. Do not infer that the newer linked PDF is invalid because the page label is stale.

Signature, certification, and notarization

The current paper PDFs require a signature and date. On 21-4138, the Veteran or beneficiary certifies the statement. On 21-10210, the Veteran, claimant, or witness who completed the statement signs the certification. Do not send an unsigned paper form when the signature is required.

VA’s online routes use identity-verified sign-in, and VA’s design system describes a Statement of Truth for digital certification. We did not cross the sign-in boundary, so follow the instructions displayed in the live route rather than assuming the paper signature field works identically online.

Neither current standard PDF contains a notary block. Their ordinary mechanism is certification, signature, and date. That supports no claim that notarization is always forbidden in every special circumstance—but it also gives no basis to pay for or require notarization as the default.

Four hypothetical routing examples

These are hypothetical and contain no real claim details.

  1. More detail than fits on a new claim: use 21-4138 for the overflow and submit it with the governing 21-526EZ/online claim. Describe the extra fact; do not assume 21-4138 starts the claim.
  2. A former unit member saw a training injury: use a separate 21-10210 signed by that witness with the governing claim or allowed review lane. Describe what was seen; do not diagnose the current condition.
  3. A spouse observed sleep interruption and daytime effects: use 21-10210 and state the observation period and frequency. Describe interrupted sleep and observed function; do not supply an unqualified sleep-disorder diagnosis.
  4. A claimant has a new witness after a denial: the witness may use 21-10210, but the claimant must also select a lane that accepts evidence—often a Supplemental Claim, or an evidence-permitting Board docket when appropriate. The statement does not itself request review.

Submit it through the correct lane and preserve proof

Choosing and writing the form is only the first half of the task. Then use the official route for the correct claim or review, keep the complete signed copy and every attachment, preserve the confirmation or delivery record, and verify the intended claimant, claim, and issue. Protect any deadline stated in the governing notice.

For the Files tab, QuickSubmit, mail, fax, in-person delivery, receipt, association, C-file, and decision-letter evidence-list questions, use our separate guide: VA evidence not showing in your claim.

Correct form → correct statement → correct submission lane → proof of receipt/association → VA evaluates it with the complete record.

Protect private information

Both forms request sensitive identifying information. Download them from VA, send them only through VA’s current official route, and do not email completed statements to WVCOFCSRA. Include another person’s identifying information only when the governing form or process requires it. Keep unrelated medical, financial, family, and contact details out of a statement when they do not serve the issue.

Before submitting, ask:

  • Is this a statement task, or does another governing form start the transaction?
  • Did I use the current official PDF or live VA route?
  • Is the issue named clearly?
  • Does each writer explain how they know each important fact?
  • Are observed facts separated from reports, opinions, and uncertainty?
  • Are dates honest and marked approximate when needed?
  • Did each witness use a separate 21-10210 and their own words?
  • Did the actual writer sign and date where required?
  • Are real attachments complete, and is sensitive information limited to what the official process needs?
  • Did I keep the complete submission and proof, and protect the governing deadline?

Bottom line

Choose 21-4138 for extra information requested by another form or process. Choose 21-10210 as the structured best fit for a claimant’s or witness’s firsthand lay account. Blank paper and 21-4138 remain accepted lay-evidence formats under current VA guidance, so do not turn “best fit” into “only valid form.” If the job is actually a claim, review, appeal, authorization, priority request, appointment, alternate-signature certification, medical document, or records request, use that governing form first. Then write only what the author knows, sign and date it, submit it through the right lane, and preserve proof. VA—not the form label—decides how the statement fits the complete record.

About this update: The CSRA Women Veterans Resource Guide is an independent informational publisher, not the Department of Veterans Affairs or another government agency. This article does not determine eligibility or replace instructions from the responsible official source.

Questions or corrections? Contact us.

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