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Rules and Regulations Library

Rules Regulations Library

Document Type Title and Description Category
Ruling 2002-4 - Indoor Storage of Explosives in Business Premises Directly Adjacent to a Residence or Dwelling [PDF - 85.16 KB]

ATF requires approval of variances for indoor storage of explosives in business premises directly adjacent to a residence or dwelling.

Published/Revised:

Explosives
Ruling 2004-3 - Locking Requirements for Indoor Type 4 Storage Magazines [PDF - 10.82 KB]

ATF provides guidance on three different private roads and whether they are "highways" as defined in 27 CFR 555.11.

Published/Revised:

Explosives
Ruling 2005-2 - Meaning of Term Highway [PDF - 11.39 KB]

ATF provides guidance on three different private roads and whether they are "highways" as defined in 27 CFR 555.11.

Published/Revised:

Explosives
Ruling 2005-3 - Meaning of Term Inhabited Building [PDF - 16.1 KB]

ATF provides guidance on two situations involving structures and whether they are "inhabited buildings" as defined in 27 CFR Part 555.

Published/Revised:

Explosives
Ruling 2010-2 - Visibility of Marks on Explosives Containers Stored in Magazines [PDF - 28.97 KB]

ATF authorizes alternate storage of containers of explosive materials in magazines so that marks are not visible, provided all of the requirements stated in this ruling are met.

Published/Revised:

Explosives
Ruling 2007-3 - Preloading and Temporary Storage of Blasting Agents on Bulk Delivery Vehicles [PDF - 20.31 KB]

Under specified conditions, blasting agents may be stored in mobile type 5 magazines (bulk trucks) without meeting 27 CFR 555.211 immobilization requirements.

Published/Revised:

Firearms
Ruling 2006-2 - Classification of Devices Exclusively Designed to Increase the Rate of Fire of a Semiautomatic Firearm [PDF - 67.72 KB]

The NFA and GCA definition of machinegun includes a part or parts designed and intended for use in converting a weapon into a machinegun. This language includes a device that, when activated by a single pull of the trigger, initiates an automatic firing cycle that continues until the finger is released or the ammunition supply is exhausted.

Published/Revised:

Firearms
Ruling 2010-1 - Temporary Assignment of a Firearm by an FFL to an Unlicensed Employee [PDF - 19.5 KB]

Requirements for temporary assignment of a firearm by an FFL to its unlicensed employees for bona fide business purposes, where the actual custody of the firearm is transferred for a limited period of time, and where title and control of the firearm remain with the FFL; and by an FFL to its unlicensed agents, contractors, volunteers, or any other person who is not an employee of the FFL, even for bona fide business purposes. Supersedes Revenue Ruling 69-248 and modifies ATF Ruling 73-19. Industry Circular 72-23 is no longer in effect.

Published/Revised:

Firearms
Ruling 2009-2 - Installation of Drop In Replacement Parts [PDF - 14.71 KB]

Licensing requirements under the GCA for any person who installs “drop in” replacement parts in or on existing, fully assembled firearms. A “drop in” replacement part is one that can be installed in or on an existing, fully assembled firearm without drilling, cutting, or machining. A replacement part, whether factory original or otherwise, has the same design, function, substantially the same dimensions, and does not otherwise affect the manner in which the weapon expels a projectile by the action of an explosive.

Published/Revised:

Firearms
Ruling 2004-5 - Mini-gun Ruling [PDF - 940.1 KB]

The 7.62mm Aircraft Machine Gun, identified in the U.S. military inventory as the "M-134" (Army), "GAU-2B/A" (Air Force), and "GAU-17/A" (Navy), is a machinegun as defined by 26 U.S.C. 5845(b). Rev. Rul. 55-528 modified.

Published/Revised:

Firearms
Ruling 1994-1 - USAS-12 Shotgun as NFA Weapon [PDF - 33.47 KB]

The USAS-12 shotgun has a bore of more than one-half inch in diameter and is not generally recognized as particularly suitable for sporting purposes. Therefore, it is classified as a destructive device for purposes of the National Firearms Act, 26 U.S.C. Chapter 53.

Published/Revised:

Firearms
Ruling 1985-2 - Importation of NFA Firearms as Sales Samples [PDF - 28.49 KB]

A National Firearms Act (NFA) firearm may not be imported for use as a sample for sales to law enforcement agencies if the firearm is a curio or relic unless it is established that the firearm is particularly suitable for use as a law enforcement weapon.

Published/Revised:

Firearms
Ruling 2010-3 - Identification of Maxim Side-Plate Receivers [PDF - 181.89 KB]

The right side-plate of a Vickers/Maxim-type firearm, manufactured with its camming lobe affixed in the proper location, and without an ATF approved block that prevents installation of machinegun fire control components, is a machinegun receiver, and therefore, a machinegun as defined by the GCA and NFA. Provided it has not been disassembled into its component parts, a complete Vickers/Maxim-type machinegun that is currently registered in the National Firearms Registration and Transfer Record with its serial number located on a component part of the receiver box other than the right side-plate has been lawfully registered under the NFA and may be lawfully possessed by the registrant under 18 U.S.C. 922(o).

Published/Revised:

Firearms
Open Letter 2015 - January - Southwest Border FFLs - FFL Burglaries [PDF - 109.25 KB]

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is committed to keeping industry members informed of important trends and regulatory developments. In furtherance of this commitment, we have prepared this open letter which briefly addresses burglaries at licensed premises in the greater Houston, Texas, area and offers basic, preventive, methods for combating thefts. 

Published/Revised:

Firearms
Open Letter 2009 - May - All FFLs - Notice to All NFA Special Taxpayers for Tax Year 2010 [PDF - 474.79 KB]

The renewal returns for Tax Year 2010 will be mailed by the end of May 2009 to any person who paid the special (occupational) tax (SOT) for Tax Year 2009 to import, manufacture, or deal in National Firearms Act (NFA) firearms.

Published/Revised:

Firearms
Open Letter 2012 - July - All FFLs - ATF Releases Revised ATF Form 4473 [PDF - 52.09 KB]

ATF Form 4473, Firearms Transaction Record Part I – Over-the-Counter (Form 4473) has been revised. This letter highlights the changes to the form.

Published/Revised:

Firearms
Ruling 2010-6 - State of Residence [PDF - 97.66 KB]

For the purpose of acquiring firearms under the GCA, a U.S. citizen who temporarily resides in a foreign country, but also demonstrates the intention of making a home in a particular state, is a resident of the State during the time period he or she actually resides in that state. The intention must be demonstrated to a federal firearms licensee by presenting valid identification documents.

Published/Revised:

Firearms
Ruling 2003-3 - Importation of Heckler & Koch G3 Type Receivers for Unrestricted Commercial Sale [PDF - 229.69 KB]

An ATF-approved method of destruction for the Heckler & Koch G3 type machinegun will result in the severed portions of the receiver being importable for unrestricted commercial sale.

Published/Revised:

Firearms
Ruling 2007-2 - Temporary Storage of Display Fireworks [PDF - 73.61 KB]

Under specified conditions, display fireworks may be temporarily stored in locked, attended motor vehicles at explosives magazine site(s) and fireworks display site(s) without meeting 27 CFR 555.210 locking requirements provided certain security measures are in place.

Published/Revised:

Explosives
Ruling 2012-2 - Storage of Display Fireworks in Picking Bins [PDF - 73.14 KB]

ATF authorizes alternate storage of display fireworks in fixed, unmarked, and uncovered bins inside explosives storage magazines provided all of the requirements of this ruling are met.

Published/Revised:

Explosives
Ruling 2011-4 - Pistols Configured from Rifles; Rifles Configured from Pistols [PDF - 82.73 KB]

Unassembled parts and configurations of parts of pistols, rifles, handguns or other weapons that result in a firearm as defined under the NFA, 26 U.S.C. 5845(a)(3); 26 U.S.C. 5845(a)(3) and (a)(4); 26 U.S.C. 5845(a)(3) and (a)(4); and 26 U.S.C. 5845(a)(4).

Published/Revised:

Firearms
Ruling 2011-3 - Alternate Locks Authorized for Explosives Magazines [PDF - 97.6 KB]

ATF authorizes alternate use of hidden-shackle "hockey puck" locks, recessed padlocks, and padlocks with boron alloy shackles to secure explosives magazines, provided all of the requirements stated of this ruling have been met.

Published/Revised:

Explosives
Ruling 2011-2 - Locking Requirements for Outdoor Type 5 Bin and Silo Magazines [PDF - 84.19 KB]

ATF authorizes alternate storage for explosives licensees and permittees to store bulk blasting agents in outdoor type 5 bin or silo magazines without the specified locks provided all of the requirements stated in this ruling have been met.

Published/Revised:

Explosives
Ruling 2012-5 - Type 4 Magazine Construction [PDF - 68.58 KB]

ATF authorizes alternate storage for explosives licensees and permittees to store explosive materials in outdoor type 4 magazines with wood-only floors, provided all of the requirements stated in this ruling are met.

Published/Revised:

Firearms
Ruling 1973-13 - Gunsmithing Premises and Regular Business Hours [PDF - 27.32 KB]

Because of the nature of operations conducted by a gunsmith, he shall not be required to have business premises open to the general public or to have regular business hours.

Published/Revised:

Firearms

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