How to Challenge and Appeal a NICS Denial on Form 4473

To appeal a NICS denial, submit a written challenge to the FBI’s Criminal Justice Information Services Division through the electronic portal at edo.cjis.gov or by mail to the NICS Section in Clarksburg, West Virginia. You’ll need your NICS Transaction Number (NTN) or State Transaction Number (STN), the specific reason for your denial, and documents proving either that the disqualifying record isn’t yours or that the record is inaccurate. The FBI has 60 calendar days to issue a final decision.¹

One boundary to know before you start: the FBI’s online challenge system accepts denied transactions only. If your background check was delayed rather than denied, wait for it to reach a final status before filing anything.¹

Get Your Transaction Number and the Reason for Denial

Two pieces of information have to come first. Your NTN or STN comes from the firearm dealer who ran the check. Call them if you don’t already have it written down.¹

The reason for the denial has to come from the FBI in writing. You can request it through edo.cjis.gov, by mail, or by fax to (304) 625-0535.² The request must include your full legal name, mailing address, and your NTN or STN. The Privacy Act bars the FBI from giving the reason over the phone. Once your written request arrives, the FBI has five business days to respond with the reason.¹

If a state agency ran your check as a NICS point of contact instead of the FBI directly, contact that state agency first. Some states hold records the FBI doesn’t and handle challenges on their own.¹

Gather the Right Documents

What you submit depends on why you were denied. There are two broad situations.

You’re Not the Prohibited Person in the Record

When the denial comes from a name or biographical match to someone else, the goal is to prove identity. The strongest evidence is a completed FD-258 fingerprint card with a full set of rolled impressions. A law enforcement agency or authorized fingerprinting agency has to take the prints, and the card must show that agency’s name, address, phone number, FBI-assigned Originating Agency Identifier, and the legible signature of whoever rolled the prints. Mark the “reason fingerprinted” field as “For NICS Purposes.”²

Prints aren’t strictly required, but the FBI strongly encourages them, especially if you have a common name.¹ They’re the only way to definitively separate your identity from someone else’s in the underlying databases. Without them, reviewers work from biographical data alone, which often doesn’t resolve the confusion.

The Record Is Yours But Wrong or Outdated

If the disqualifying record is yours but has been corrected, superseded, or should never have applied to you, submit certified court documents showing the correct status. Typical situations include dismissed charges, expunged convictions, expired restraining orders, and rights restored by pardon or court order. Get certified copies from the issuing court; fees vary but generally run from a few dollars to around $40 per document.¹

A Note on Your Social Security Number

Including your SSN is voluntary. The Privacy Act of 1974 prohibits the government from denying you a right or benefit for withholding it.³ Providing it, however, cuts the odds of a name-based mix-up and tends to speed the review. If common-name confusion is what caused your denial, leaving the SSN off makes the review harder and slower.

Submit Your Challenge

Two routes: the FBI’s electronic portal or U.S. mail. The portal is faster and gives you a tracking number.

Filing at edo.cjis.gov

Open edo.cjis.gov and find the section titled “Challenge Your National Instant Criminal Background Check System (NICS)-Related Denial.” Enter your email address in the blue box and select “Submit.” The FBI will email you a unique link and PIN to access your challenge.¹

After logging in, accept the Privacy Act statement. Then select “Challenge reason(s) for firearm-related denial” from the drop-down, choose the state where your background check was initiated, and write out what information you believe is inaccurate or incomplete. That free-text field is mandatory. You cannot submit without it.¹

Select whether you have an NTN or STN and enter the number. Use the upload section for scanned copies of your fingerprint card and certified court records. Confirm your contact information and submit. You’ll receive a confirmation email with an order number for status checks.

Filing by Mail

Send your challenge to:

FBI CJIS Division
National Instant Criminal Background Check System Section
Post Office Box 4278
Clarksburg, WV 26306-9922¹

Include a written statement identifying the information you believe is inaccurate, your full name, mailing address, NTN or STN, and any supporting documents such as your FD-258 card and certified court records. Use a trackable mailing service. When you file by mail, the FBI sends the final status letter to the mailing address you provided.⁴

What Happens After You Submit

The FBI’s Appeal Services Team compares your fingerprints and biographical data against the disqualifying record. Analysts may contact local, state, or federal courts to verify dispositions or clarify the status of older records. Within 60 calendar days of receiving your challenge, the FBI must issue a final status: the denial is sustained, the denial is overturned, or the FBI advises you that the challenge remains unresolved.¹

If the denial is overturned, the FBI corrects the erroneous record in NICS and notifies you. You can then return to the dealer and start a new background check, which should clear once the correction is processed. If the denial is sustained, the letter confirms the disqualifying record and the legal basis.

Incomplete submissions get rejected before the 60-day clock even starts. Missing your NTN or STN, omitting your mailing address, or failing to explain the basis of your challenge in writing will all trigger a rejection notice.² Verify every required field before you send anything.

When the FBI Can’t Resolve It

If the disqualifying record originated with a state or local agency, the FBI may be unable to correct it directly. In that case, the FBI notifies you and provides the name and address of the originating agency. You then apply to that agency for the correction. Once the agency corrects the record, notify the FBI so it can verify the change and update NICS.⁵

This is where many challenges stall. Older state court records can take weeks to locate and verify. If you already hold certified court documents showing the record was corrected, sending them with your initial challenge can skip this round trip entirely.

Federal Lawsuit as a Last Resort

If the administrative process fails, 18 U.S.C. § 925A gives you a judicial remedy. Anyone denied a firearm because of erroneous information from a state, local government, or NICS itself can sue in federal court. The court can order the information corrected or the transfer approved, and a prevailing party may recover reasonable attorney’s fees.⁶

This option makes sense only after you’ve exhausted the FBI’s challenge process and any direct appeal to the originating records agency. Filing in federal court takes an attorney and time, though the fee-shifting provision means a successful challenge won’t necessarily come out of your pocket. There’s no published federal deadline for filing a challenge with the FBI, but the judicial remedy under § 925A is subject to general federal statutes of limitations, so act promptly once a denial is sustained.

1
Federal Bureau of Investigation. Requesting Reason for and/or Challenging a NICS-Related Denial
2
Federal Bureau of Investigation. NICS Guide for Appealing
3
U.S. Department of Justice. Disclosure of Social Security Numbers
4
Federal Bureau of Investigation. FBI NICS Appeal Form
5
eCFR. 28 CFR 25.10 – Correction of Erroneous System Information
6
Office of the Law Revision Counsel. 18 USC 925A – Remedy for Erroneous Denial of Firearm