ATF Federal Explosives License: Requirements, Storage, and Compliance

To manufacture, import, deal in, or use explosive materials in the United States, you need authorization from the Bureau of Alcohol, Tobacco, and Firearms. The ATF federal explosives license requirements split into two tracks: a Federal Explosives License (FEL) for commercial activity and a Federal Explosives Permit (FEP) for non-commercial acquisition and use.¹ Every applicant clears a background check, submits fingerprints, proves lawful storage, passes a site inspection, and waits out a 90-day review window. Fees run from $25 for a limited permit up to $200 for a manufacturer, importer, or dealer license.

Which Authorization You Need

A license covers being in the business of explosives: making them for sale, importing them, or buying and selling them as a dealer. A permit covers acquiring and using explosives without selling them.¹

Permits come in two flavors. A user permit lets you transport, ship, and receive explosives across state lines or from foreign sources, and it covers anyone acquiring explosives in-state more than six times in a 12-month period. A limited permit only allows you to receive explosives from a licensee or permittee within your own state, on no more than six occasions during the 12-month permit period, with no interstate transport at all.²

Two categories fall outside the framework entirely. Small arms ammunition and its components are exempt from the federal explosives regulations.³ Commercially manufactured black powder is also exempt if you buy 50 pounds or less for sporting, recreational, or cultural use in antique firearms or antique devices; the exemption disappears if you are in the business of black powder or plan to use it in fireworks or pyrotechnics.⁴

Who Qualifies

Federal law prohibits distributing explosives to anyone under 21, which sets the practical minimum age.⁵ Beyond age, you are disqualified if you fall into any of these categories:

Under indictment for, or convicted of, any crime punishable by more than one year of imprisonment
A fugitive from justice
An unlawful user of or addicted to a controlled substance
Adjudicated as mentally defective or committed to a mental institution
Discharged from the armed forces under dishonorable conditions
A former U.S. citizen who has renounced citizenship
A non-citizen who is not a lawful permanent resident, outside narrow exceptions for foreign law enforcement, NATO military personnel, or individuals directing a licensed entity

These prohibitions come from 18 U.S.C. § 842(i) and apply to responsible persons and employee possessors alike.⁵

A “responsible person” is anyone with the power to direct the management and policies of the business as they relate to explosives: partners, sole proprietors, site managers, corporate officers, directors, and majority shareholders.⁶ Every responsible person must clear the background check individually. So must every employee possessor, meaning anyone who will have actual or constructive possession of explosives during the course of employment.

Fees and Duration

As of 2026, the fee schedule is:

Manufacturer license: $200 application, $100 renewal, valid 3 years
Importer license: $200 application, $100 renewal, valid 3 years
Dealer license: $200 application, $100 renewal, valid 3 years
User permit: $100 application, $50 renewal, valid 3 years
Limited permit: $25 application, $12 renewal, valid 1 year

Federal statute caps license and user permit fees at $200 and limited permit fees at $50.⁷ Payment is by check, credit card, or money order; the ATF does not accept cash.⁸

What Goes in the Application

The core form is ATF Form 5400.13/5400.16, which collects information on the business structure, storage locations, and every responsible person.⁹ For each responsible person, you submit one FD-258 fingerprint card and one 2-by-2-inch photograph.⁸ Have the fingerprints taken by a law enforcement agency or qualified technician; smudged prints get rejected by the FBI and delay the whole file.

List every employee possessor on the application. Each one separately completes ATF Form 5400.28, the questionnaire the ATF uses to run their background check.¹⁰

You also need to show a lawful place to store explosives. If you do not own or lease your own magazine, you must submit a contingency storage agreement, meaning a letter from an existing licensee or permittee confirming that their approved facilities are available for your use.¹¹ Contingency storage only works for materials that cannot be used the same day they are received.

Storage That Will Pass Inspection

Federal regulations define five magazine types, keyed to what you plan to store: Type 1 permanent structures, Type 2 mobile or portable magazines for high explosives, Type 3 day-boxes for temporary attended storage, Type 4 for low explosives and certain detonators, and Type 5 for blasting agents.¹² Each type has its own rules for wall construction, interior lining, ventilation, and locking. Type 2 magazines, for example, must be secured by two padlocks in separate hasps, two mortise locks, or a similar reinforced arrangement, with padlocks that have at least five tumblers and a case-hardened shackle at least 3/8-inch in diameter under a 1/4-inch steel hood.¹³

Every magazine must also sit at a minimum distance from inhabited buildings, railways, highways, and other magazines, calculated from the American Table of Distances based on the quantity of explosives stored.¹⁴ The larger the quantity, the greater the separation. Distance failures and construction shortcuts are among the most common reasons applications are denied at inspection, so build to spec before you mail the paperwork.

Submission, Review, and Inspection

The completed package goes to the ATF Lockbox, operated by U.S. Bank in Portland, Oregon.⁸ Include the correct fee, all fingerprint cards, photographs, and any contingency storage agreement. A missing item can send the whole package back.

Once the ATF has a properly completed application, a 90-day clock starts. The Federal Explosives Licensing Center must approve or deny within that window.² During that period, an Industry Operations Investigator from your local field office contacts you to schedule a field interview and site inspection. The investigator confirms identities, inspects the storage magazine (or reviews the contingency arrangement), and walks you through record-keeping obligations. Fail the storage or security inspection and you get an immediate denial; you will need to fix the deficiencies and reapply.

Staying in Compliance

Daily Magazine Records

Every licensee and permittee keeps a daily summary of magazine transactions for each storage magazine. The log tracks manufacturer or brand name, quantity received, quantity removed, and running total on hand. Entries must be recorded no later than the close of the next business day.¹⁵ Records stay on the business premises for five years from the date of the transaction, or until you discontinue the business.¹⁶

Personnel Changes

Any change in responsible persons or in employees authorized to possess explosives must be reported to the Federal Explosives Licensing Center within 30 days, with identifying information for each new person.¹⁷ It is easy to miss when someone gets promoted or replaces a departing officer, and it becomes a compliance problem at the next inspection.

Theft or Loss

If explosives are stolen or lost, report it within 24 hours by calling 1-800-461-8841. You also file a written report on ATF Form 5400.5 and notify local law enforcement.¹⁸ The 24-hour deadline is not flexible: failing to report can carry a fine of up to $10,000 and up to five years of imprisonment.¹⁹

Renewal

File your renewal before your current authorization expires. Licenses and user permits use ATF Form 5400.14; permits use ATF Form 5400.15, with the applicable renewal fee.²⁰ Miss the deadline and you cannot file a late renewal. You start over with a full original application, pay the full fee, and go through the entire 90-day review again. For annual limited permit holders, that is a real risk.

Denials, Revocations, and Appeals

If the ATF denies your application, you receive a formal notice on ATF Form 5400.11 explaining the factual and legal basis. You have 15 days from receipt to request a hearing before an Administrative Law Judge, who issues a recommended decision to the Director of Industry Operations.²¹ If that decision goes against you, you can petition the ATF Director for review within 15 days, and then seek judicial review in the U.S. Court of Appeals for the circuit where you reside or maintain your principal place of business within 60 days of the final administrative decision.²²

Revocation of an existing license follows a similar path. The Director of Industry Operations generally provides written notice describing the specific violations, and the licensee has 15 days from receipt to request a hearing. If the ATF alleges willful violations or determines the public interest requires it, that preliminary opportunity can be skipped.²² Most denials trace to a failed background check or a magazine that does not meet construction standards. Both are usually faster to fix and refile than to litigate.

Criminal penalties for operating without a required license, distributing explosives to prohibited persons, or violating storage rules run up to 10 years in federal prison. Lesser regulatory violations carry up to one year.¹⁹

State and Local Rules Still Apply

A federal license or permit does not satisfy state or local requirements. Many states require their own explosives storage permits through the state fire marshal, and some municipalities require separate blasting permits for individual projects. Fees and rules vary. Check with the state fire marshal and your local permitting authority before starting work; holding federal authorization while ignoring state rules can bring fines or a shutdown order that the ATF paperwork will not protect you from.

1
Bureau of Alcohol, Tobacco, Firearms and Explosives. Federal Explosives Licenses and Permits
2
eCFR. 27 CFR Part 555 Subpart D – Licenses and Permits
3
eCFR. 27 CFR Part 555 Subpart H – Exemptions
4
Bureau of Alcohol, Tobacco, Firearms and Explosives. Black Powder
5
Office of the Law Revision Counsel. 18 USC 842 – Unlawful Acts
6
Bureau of Alcohol, Tobacco, Firearms and Explosives. 27 CFR 555.11 – Meaning of Terms
7
Office of the Law Revision Counsel. 18 USC 843 – Licenses and User Permits
8
Bureau of Alcohol, Tobacco, Firearms and Explosives. Apply for a License
9
Bureau of Alcohol, Tobacco, Firearms and Explosives. Application for Explosives License or Permit – ATF F 5400.13/5400.16
10
Bureau of Alcohol, Tobacco, Firearms and Explosives. Explosives Employee Possessor Questionnaire
11
Bureau of Alcohol, Tobacco, Firearms and Explosives. Application for Explosives License or Permit – ATF F 5400.13/5400.16
12
eCFR. 27 CFR 555.203 – Types of Magazines
13
eCFR. 27 CFR 555.208 – Construction of Type 2 Magazines
14
eCFR. 27 CFR 555.218 – Table of Distances for Storage of Explosive Materials
15
eCFR. 27 CFR 555.127 – Daily Summary of Magazine Transactions
16
eCFR. 27 CFR Part 555 Subpart G – Records and Reports
17
eCFR. 27 CFR 555.57 – Change of Control, Change in Responsible Persons, and Change of Employees
18
eCFR. 27 CFR 555.30 – Reporting Theft or Loss of Explosive Materials
19
Office of the Law Revision Counsel. 18 USC 844 – Penalties
20
eCFR. 27 CFR 555.46 – Renewal of License or Permit
21
eCFR. 27 CFR Part 555 – Commerce in Explosives
22
eCFR. 27 CFR Part 771 – Rules of Practice in Explosive License and Permit Proceedings