Rules and Regulations Library

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).

Published/Revised: November 7, 2024

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 Aug. 24, 2022.

Published/Revised: September 27, 2022

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.

Published/Revised: July 10, 2024

The purpose of this public safety advisory is to advise all Michigan federal firearms licensees (FFLs) of an important change to the procedure they must follow to comply with the Brady Handgun Violence Prevention Act (Brady law), 18 U.S.C. § 922(t), when transferring a firearm to an unlicensed person.

Published/Revised: March 3, 2020

A South Dakota Regular Concealed Carry Permit, issued on or after July 1, 2018, can be used as an alternative to the required NICS background check.

Published/Revised: March 17, 2021

Published/Revised: October 17, 2005

This open letter has been rescinded.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

Published/Revised: July 29, 2025

The purpose of this letter is to inform all Georgia Federal firearms licensees (FFL) that Georgia's Concealed Weapons Permits no longer qualifies as an alternative to a National Instant Criminal Background Check System (NICS) check.

Published/Revised: October 17, 2005

ATF is offering federal firearms licensees (FFLs) a new option to receive ATF information by email. This voluntary service will allow FFLs to receive newsletters, open letters, and important notices by email.

Published/Revised: May 11, 2006

Published/Revised: July 1, 2006

Published/Revised: November 28, 2011

This letter is superseded by ATF's Jan. 5, 2006, open letter.  The purpose of this letter is to inform Federal firearms licensees (FFLs) that beginning Oct. 19, 2005, 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: October 17, 2005

Published/Revised: March 15, 2004

The purpose of this letter is to provide you with information on a provision of the recently enacted Homeland Security Act of 2002. This provision moves most of the Bureau of Alcohol, Tobacco and Firearms (ATF) from the Department of the Treasury to the Department of Justice effective Jan. 24, 2003.

Published/Revised: December 18, 2002

This open letter provides guidance regarding the use of a State of Michigan issued Concealed Pistol Permit (CPP, but commonly referred to as a CCW) and a License to Purchase a Pistol as alternatives to NICS background check.

Published/Revised: March 15, 2004

This open letter has been rescinded. The purpose of this letter is to advise you of your responsibilities under the permanent provisions of the Brady law. 18 U.S.C. § 922(t). 

Published/Revised: July 29, 2025

Published/Revised: November 6, 2003

Published/Revised: December 12, 2012

This open letter has been rescinded. The purpose of this letter is to advise you of your responsibilities under the permanent provisions of the Brady law. 18 U.S.C. § 922(t).

Published/Revised: July 29, 2025

The purpose of this letter is to address the Supreme Court's decision regarding that part of the Brady Handgun Control Act is unconstitutional.

Published/Revised: June 27, 1997

A decision was agreed upon to amend Annex A of the Voluntary Restraint Agreement (VRA) by adding 74 types of firearms to the list. Please note, that even though these 74 firearms have been added to Annex A, ATF will still need to determine the importability of some of these firearms.

Published/Revised: May 20, 2004

This open letter has been rescinded. The purpose of this open letter is to provide guidance on the procedure to comply with Federal law, 18 U.S.C. § 922(t), when you transfer a firearm to an unlicensed person. 

Published/Revised: July 29, 2025

The purpose of this open letter is to remind all federal firearms licenses (FFL) of their ready ability to enhance public safety and assist law enforcement by encouraging and facilitating transfers of firearms between private individuals thorough their businesses.

Published/Revised: March 13, 2013

The purpose of this open letter is to remind all federal firearms licensees (FFL) of their ready ability to enhance public safety and assist law enforcement by encouraging and facilitating transfers of firearms between private individuals through their businesses.

Published/Revised: March 15, 2013

 It will be 3 years this September since America was attacked. We at ATF remain vigilant, but we are requesting your assistance in our national effort to prevent terrorism.

Published/Revised: July 7, 2004