Publications

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.

Published/Revised: October 20, 2022

ATF is revoking several guidance documents: specifically three rulings, one procedure, and two industry circulars. ATF Procedure 75-4: Procedure incorporated into the Application for Explosives License or Permit, ATF Form 5400.13/16.; Industry Circular 75-10: Industry Circular incorporated into the Application for Explosives License or Permit, ATF Form 5400.13/16.; ATF Ruling 85-3: Ruling made obsolete by amendments to 18 U.S.C. 922(b)(3).; Industry Circular 85-3: Industry circular made obsolete by amendments to 18 U.S.C. 922(b)(3).; ATF Ruling 2001-1: Ruling made unnecessary and obsolete as the registration period ended May 1, 2001.: ATF Ruling 2004-1: Ruling made obsolete by amendments to 27 CFR 478.11 (definition of "State of residence").

Published/Revised: December 21, 2017

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.

Published/Revised: August 1, 2016

ATF authorizes an alternate method or procedure in lieu of the method or procedure prescribed in the regulations that currently require an importer to submit to U.S. CBP an original, paper copy of ATF Form 6A, Release and Receipt of Imported Firearms, Ammunition and Implements of War (Form 6A), to import firearms, ammunition, and other defense articles.

Published/Revised: July 14, 2016

Approved alternate method or procedure for FFLs to use an electronic version of Form 4473, instead of the paper format, provided the conditions set forth in this ruling are met.  Supersedes ATF Rul. 2008-3.

Published/Revised: April 29, 2016

Approved alternate method or procedure for licensed importers, licensed manufacturers, licensed dealers, and licensed collectors to maintain their firearms acquisition and disposition records electronically instead of in paper format provided the conditions set forth in this ruling are met.  Supersedes ATF Ruling 2013-5.

Published/Revised: April 29, 2016

Any person (including any corporation or other legal entity) engaged in the business of performing machining, molding, casting, forging, printing (additive manufacturing) or other manufacturing process to create a firearm frame or receiver, or to make a frame or receiver suitable for use as part of a "weapon … which will or is designed to or may readily be converted to expel a projectile by the action of an explosive," i.e., a "firearm," must be licensed as a manufacturer under the GCA; identify (mark) any such firearm; and maintain required manufacturer’s records. 

Published/Revised: January 2, 2015

Classification of a 4-inch diameter barrel extension

Published/Revised: January 1, 1957

Approved alternate method or procedure for importers to use when temporarily importing firearms subject to the NFA, the GCA and the Arms Export Control Act for inspection, testing, calibration, repair, or incorporation into another defense article.

Published/Revised: April 7, 2004

This open letter is to encourage federal explosives licensees to exercise increased awareness and vigilance as the anniversary of September 11 approaches. The security of your explosives' storage sites is very important.

Published/Revised: August 19, 2011

This open letter serves to notify Federal firearms licensees that the Child Safety Lock Act of 2005 makes it generally unlawful for any licensed importer, manufacturer, or dealer to sell, deliver, or transfer any handgun to any person, other than another licensee, unless the transferee (buyer) is provided with a secure gun storage or safety device for that handgun.

Published/Revised: April 21, 2006

The purpose of this letter is to remind all federal explosives licensees and permittees that the first provisions of the Act went into effect on Jan. 24, 2003, and the remaining provisions go into effect on May 24, 2003.

Published/Revised: May 16, 2003

The purpose of this open letter is to remind federal explosives licensees and permittees to be vigilant during the Fourth of July holiday and provide information regarding the new intrastate limited permit.

Published/Revised: June 27, 2003

This open letter has been rescinded. The purpose of this open letter is to advise you that beginning July 1, 2008, Illinois Firearms Owner Identification (FOID) cards no longer qualify as an alternative to a National Instant Criminal Background Check System (NICS) check.

Published/Revised: July 29, 2025

The purpose of this letter is to advise you that beginning July 1, 2008, Nevada's Carry Concealed Weapon (CCW) permits will no longer qualify as an alternative to a National Instant Criminal Background Check System (NICS) check.

Published/Revised: May 30, 2008

The purpose of this open letter is to inform security firms and other persons who have federal firearms licenses (FFLs), and who may temporarily assign firearms to their unlicensed employees in furtherance of legitimate business purposes, of the statutory and regulatory requirements that affect them.

Published/Revised: June 13, 2008

The purpose of this letter is to advise you of an important clarification to the manner in which a Federal Firearms License holder can obtain a marking variance from the provisions of 27 CFR 478.92. 

Published/Revised: August 22, 2008

In response to continued thefts of vehicles carrying explosive materials along the southwest U.S. border, the ATF reminds all persons holding Federal explosives licenses or permits of the importance of security when storing or transporting explosive materials.

Published/Revised: April 19, 2011

The purpose of this letter is to advise you that the recent amendment to Section 16-23-30, Code of Laws of South Carolina, 1976, relating to the unlawful sale of handguns to certain person, so as to prohibit the sale of a handgun to persons under eighteen years of age rather than under twenty-one years of age has no effect on federal firearms laws and regulations.

Published/Revised: August 20, 2008

This letter provides information regarding explosive pest control devices (EPCDs). Agricultural, aquacultural, and aviation industries use EPCDs — commonly known as bird bombs or seal bombs — to help protect crops, natural resources, and aircraft from damage by wildlife. 

Published/Revised: November 12, 2010

This open letter provides information regarding the effect of adding a vertical fore grip to a handgun, therefore making it a firearm that falls under the National Firearms Act (NFA).

Published/Revised: May 4, 2006

This year, a fireworks industry groups made a proposal that ATF anticipates will make fireworks recordkeeping more manageable and enhance our ability to trace and track fireworks. The proposed process should improve public safety and reduce the number of illegal transactions in display fireworks.

Published/Revised: May 30, 2008

This advisory is a security checklist of best practices for all Federal explosives licensees and permittees.

Published/Revised: February 24, 2009

This open letter has been rescinded. The purpose of this letter is to advise federal firearms licensees in Georgia of their responsibilities under the permanent provisions of the Brady law.

Published/Revised: July 29, 2025

This open letter has been rescinded.  The purpose of this letter is to provide clarification and guidance on alternative permit procedures that comply with the Brady Handgun Violence Protection Act (Brady law) for firearms transfers to unlicensed persons in the Commonwealth of Kentucky. 

Published/Revised: July 29, 2025