Rules and Regulations Library

Title Description Category Document Type
All FFLS - October 2024 - Open Letter - Allowable Activities for Firearms Brought into Customs Bonded Warehouses and Foreign Trade Zones (328 KB)

The purpose of this open letter is to remind affected persons of the Gun Control Act (GCA), National Firearms Act (NFA), and Arms Export Control Act (AECA), and associated federal regulations as they apply to firearms brought into Customs Bonded Warehouses (CBWs) and Foreign Trade Zones (FTZs)

Firearms Open Letter
New Mexico-Sept2024-open letter-changes to New Mexico law-waiting period.pdf (189 KB)

The New Mexico State Legislature enacted a new statute, N.M. Stat. Ann. § 30-7-7.3, which became effective on May 15, 2024. The new statute imposes a waiting period before a firearm may be sold and transferred and makes it unlawful to sell and transfer a firearm before the required waiting period ends

Firearms Open Letter
All FFLs-Open Letter-Nov 2023-Solvent Trap Devices (366 KB)

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) recently examined devices commonly marketed as “solvent traps” and has determined that some of them are “firearm silencers” as defined in the Gun Control Act (GCA) and as defined in the National Firearms Act (NFA).

Firearms Open Letter
ATF Industry Circular 83-11: Potential Explosion Hazard in Ammunition Reloading Machines (219 KB)

This circular has been published to inform you of a potential explosion hazard relating to a malfunctioning of automatic ammunition reloading equipment.

Resource Center Industry Circular
1975-1-Pen Guns Classified as Firearms (902 KB)

This circular announces the reclassification of small caliber weapons (such as pen guns) ostensibly designed to expel only tear gas, similar substances or pyrotechnic signals, which may be converted to expel a projectile by means of an explosive, as firearms.

Firearms Industry Circular
Wyoming - July 2024 - Open Letter - State Restoration of Rights & Federal Court Prohibition (153 KB)

The purpose of this letter is to advise Wyoming federal firearm licensees that a person convicted in a federal court (of a crime punishable by imprisonment for a term exceeding one year) remains subject to the federal prohibition on shipment, transportation, receipt, and possession of firearms and ammunition, despite the issuance of a Restoration of Rights Certificate (under state law) by the State of Wyoming.

Firearms Open Letter
ATF Final Rule - Definition of Engaged in the Business as a Dealer in Firearms (2812 KB)

The Department of Justice (“Department”) is amending Bureau of Alcohol, Tobacco, Firearms, and Explosives (“ATF”) regulations to implement the provisions of the Bipartisan Safer Communities Act that broaden the definition of when a person is considered “engaged in the business” (“EIB”) as a dealer in firearms other than a gunsmith or pawnbroker.

Rules and Regulations Ruling
ATF Ruling 2023-2 Commercial Records (540 KB)

This ruling authorizes licensed explosives importers, manufacturers and dealers to maintain commercial records instead of a separate record as a permanent record of acquisitions, distributions/dispositions, and use of explosive materials. 

Explosives Ruling
All FELs-Nov 2023-Notification for Previously Exempted Special Explosive Devices (SECs) (238 KB)

The purpose of this open letter is to notify all persons that ATF has rescinded special explosive device exemptions for certain consumer-style grenades (e.g. flashbang grenades, smoke grenades). As a result, these explosive devices are no longer exempt from the provisions of the Federal explosives regulations at 27 CFR, Part 555 – Commerce in Explosives. 

Explosives Open Letter
2023-1 - Electronic Explosives Records Ruling (378 KB)

ATF authorizes Federal explosives licensees and permittees to maintain their explosives records electronically instead of in paper format, provided the conditions set forth in this ruling are met.

Explosives Ruling
ATF EIB NPRM - Engaged in the Business as a Dealer in Firearms (729 KB)

The Department of Justice (“Department”) proposes amending Bureau of Alcohol, Tobacco, Firearms, and Explosives (“ATF”) regulations to implement the provisions of the Bipartisan Safer Communities Act (“BSCA”), effective June 25, 2022, that broaden the definition of when a person is considered “engaged in the business” as a dealer in firearms other than a gunsmith or pawnbroker.

Rules and Regulations Rulemaking
All NC FFLs-Open Letter- Aug 2023-Brady Handgun Violence Protection Act (188 KB)

The purpose of this Open Letter is to notify you of an important change to the procedure you may follow to comply with the Brady Handgun Violence Protection Act (Brady Act), codified at 18 U.S.C. § 922(t), when transferring a firearm to an unlicensed person. Specifically, the North Carolina pistol purchase permit may no longer be used as an alternative to the National Instant Criminal Background Check System (NICS)
check requirement.

Firearms Open Letter
All FFLs - July 2023 - Open Letter - Safe Storage (206 KB)

The Bureau of Alcohol, Tobacco, Firearms and Explosives (“ATF”) is issuing this open letter to assist Federal Firearms Licensees (“FFLs”) in understanding their obligations when they choose to provide firearm storage services to their customers and the public. 

Firearms Open Letter
Public Safety Advisory - Consumer Fireworks - June 2023 (211 KB)

Public Safety Advisory - Consumer Fireworks, June 2023

Explosives Public Advisory
Oklahoma-Jun2023-OpenLetter-SDALicense (188 KB)

The purpose of this open letter is to advise you that the Oklahoma Self Defense Act Handgun License (SDA Handgun License) issued on or after November 1, 2021, meets the requirements as an alternative to the National Instant Criminal Background Check System (NICS) check — but only in Oklahoma during the five-year period beginning on the date of issuance of the SDA Handgun License.

Firearms Open Letter
2016-5 – Marking Variance for Government Defense Contractors (93 KB)
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) authorizes an alternate method or procedure to the firearms marking requirements contained in title 27, Code of Federal Regulations (CFR), sections 478.92 and 479.102. Specifically, ATF authorizes licensed manufacturers of certain destructive device munitions that are manufactured for and transferred to the U.S. Government (USG) to mark these destructive device munitions with sequential lot numbers, provided conditions set forth in this ruling are met.
Firearms Ruling
Vermont - March 2023 - Open Letter - Changes to Vermont Law 13 V.S.A. § 4019 (179 KB)

Changes to Vermont Law, 13 Vermont Statutes Annotated (V.S.A.) § 4019, effective July 1, 2022, have generated questions from Vermont FFLs. This letter alerts Vermont FFLs to the recent changes in Vermont law and provides guidance to ensure Vermont FFLs remain in compliance.

Firearms Open Letter
1967-306 - Reactivate Unserviceable Firearms (156 KB)

A licensed manufacturer who also paid special (occupational) tax under the National Firearms Act may reactivate an unserviceable firearm for the purpose of sale or other disposition without incurring firearms “making” tax liability.

Firearms Ruling
All FFLs - Jan 2023 - Open Letter - Machinegun Dealer Sales Sample Letters (219 KB)

Open letter to the Federal firearms licensee (FFL) community to advise on the restrictions and parameters of 18 U.S.C. § 922(o), which generally prohibits the possession or transfer of machineguns imported or manufactured after May 19, 1986, with limited exceptions.

Firearms Open Letter
2022-2 - Remote Avalanche Control Devices (237 KB)

ATF authorizes Federal explosives licensees and permittees, and State and local government agencies conducting avalanche control/mitigation activities, to store explosives in remote avalanche control systems, provided the conditions set forth in this ruling are met.

Explosives Ruling
All FFLs-Dec2022-Open Letter-Impact of Final Rule 2021-05F on Partially Complete Polymer80, Lone Wolf, and Similar Semiautomatic Pistol Frames (805 KB)

ATF is issuing this open letter to assist the firearms industry and the public in understanding whether a “partially complete, disassembled, or nonfunctional” frame of a Polymer80, Lone Wolf, or similar semiautomatic, striker-fired pistol (sometimes generally referred to as “Glock-type” pistols) has reached a stage of manufacture such that it “may readily be completed, assembled, restored, or otherwise converted” to a functional frame, and is therefore classified as a “frame” or “firearm” in accordance with the final rule titled Definition of ‘Frame or Receiver’ and Identification of Firearms (Final Rule 2021R-05F).

Rules and Regulations Open Letter
2022-01 - Electronic Storage of Forms 4473.pdf (227 KB)

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) authorizes an alternate method or procedure from the provisions of Title 27, Code of Federal Regulations (CFR), Part 478.121, 478.124, 478.129, and 27 CFR 479.131 that require Federal Firearms Licensees (FFLs) to retain the ATF Firearms Transaction Record, Form 4473 (5300.9) (Form 4473), in a paper format. Specifically, ATF authorizes FFLs to retain an electronic version of each ATF Form 4473 created pursuant to ATF Ruling 2016-2 (or subsequent ruling), instead of the paper format, provided the conditions set forth in this ruling are met. Additionally, ATF authorizes digital scanning and electronic retention of certain paper ATF Form 4473, provided the conditions set forth in this ruling are met.

Firearms Ruling
All FFLs-September 2022-Impact of Final Rule 2021-05F on Partially Complete AR-15/M-16 Type Receivers (1037 KB)

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is issuing this open letter to further assist the firearms industry and the public in understanding whether a “partially complete, disassembled, or nonfunctional” receiver of an AR-15/M-16 variant weapon has reached a stage of manufacture such that it “may readily be completed, assembled, restored, or otherwise converted” to a functional receiver, and is therefore classified as a “frame or receiver” or “firearm” in accordance with the final rule titled “Definition of ‘Frame or Receiver’ and Identification of Firearms (Final Rule 2021R-05F), which became effective August 24, 2022.

Firearms Open Letter
Federal Firearms License Proceedings - Hearings (2008R-15P) Aug. 10, 2010 (63 KB)

The Department of Justice is proposing to amend the regulations of the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) regarding administrative hearings held as part of firearms license proceedings. This proposed rule clarifies that such hearings are held in an informal setting and that persons requesting a hearing will be afforded the opportunity to submit facts, arguments, offers of settlement, or proposals of adjustment for review and consideration. The proposed regulations are intended to ensure that federal firearms licensees and persons applying for a federal firearms license are familiar with the hearing process relative to the denial, suspension, or revocation of a firearms license, or imposition of a civil fine.

Firearms Rulemaking
Federal Firearms License Proceedings - Hearings (2008R-15P) Feb. 3, 2012 (65 KB)

The Department of Justice is proposing to amend the regulations of the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) regarding administrative hearings held as part of firearms license proceedings. This proposed rule clarifies that such hearings are held in an informal setting and that persons requesting a hearing will be afforded the opportunity to submit facts, arguments, offers of settlement, or proposals of adjustment for review and consideration. The proposed regulations are intended to ensure that federal firearms licensees and persons applying for a federal firearms license are familiar with the hearing process relative to the denial, suspension, or revocation of a firearms license, or imposition of a civil fine.

Firearms General Notice
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