Rules and Regulations Library

Titlesort ascending Description Category Document Type
National-Nov2001-Open Letter-Mail Submitted to ATF by FFLs and FELs (93 KB) This open letter is to inform Federal explosives licensees that ATF has not received mail since October 25, 2001. Explosives Open Letter
National-May2008-Open Letter-Interpretation of Fireworks Recordkeeping (128 KB)
This is an interpretation letter for the fireworks industry pertaining to the tracking of individual fireworks shells by utilizing the “date/shift code” in the required records of disposition.
Explosives Open Letter
National-May2006-Open Letter-Flare Inserts-Any Other Weapon (712 KB)
This open letter provides informations regarding the use of an insert/sleeve designed to be installed in an Orion 25mm/12 gauge flare launcher that allows the use of conventional ammunition in these flare launchers.
Firearms Open Letter
National-May 2016-Open Letter-All Chief Law Enforcement Officers of State and Local Law Enforcement Agencies (80 KB)
On January 15, 2016, ATF published in the Federal Register a final rule entitled “Machineguns, Destructive Devices and Certain Other Firearms; Background Checks for Responsible Persons of a Trust or Legal Entity with Respect to Making or Transferring a Firearm.”  This final rule is effective on July 13, 2016, and amends the regulations governing the making and transfer of firearms regulated by the National Firearms Act. 
Firearms Open Letter
National-June1997-Open Letter-Attorney General Brady Law Decision (25 KB)

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

Firearms Open Letter
National-Jan2016-Presidential Memorandum (24 KB)
Tracing firearms in connection with criminal investigations and improving availability of relevant Executive Brand records to the National Instant Criminal Background Check System (NICS).
Firearms Open Letter
National-Jan2008-Open Letter-Submitting Payments to ATF (88 KB)
The purpose of this letter is to provide notification that the ATF will be switching to electronic funds processing (ECP) for all payments received by the agency.
Firearms Open Letter
National-Jan2005-Open Letter-Fabrique Nationale FR 5.7 Pistol (530 KB)
The letter provides information in response to numerous questions that ATF has received regarding the capabilities of the 5.7 X 28mm cartridge and the FR 5.7 (Fabrique Nationale) pistol.
Firearms Open Letter
National-Feb2010-Open Letter-Locking Requirements for Portable Type-5 Magazines (56 KB)
The purpose of this memorandum is in response to inquiries regarding ATF's determination on the locking requirements for portable Type-5 magazines commonly referred to as ocean freight containers, sea containers, or ISO containers.
Explosives Open Letter
National-Apr2013-Open Letter-USBDC Response to IME Request for Information (176 KB) This letter is a response by the U.S. Bomb Data Center (USBDC) to the Institute of Makers of Explosives (IME) request for information regarding the use of commercial explosives utilized in bombing events in the United States. Explosives Open Letter
National-Apr2012-Open Letter-Unmarked Plastic Explosives (116 KB)
The purpose of this letter is to remind all Federal law enforcement agencies and military components of certain provisions of the Antiterrorism and Effective Death Penalty Act of 1996 pertaining to plastic explosives that do not contain a detection agent.
Explosives Open Letter
National-Apr2011-Open Letter-Submitting ATF Form 4 or Form 5 (94 KB)
The purpose of this letter is to provide guidance to any person submitting ATF Form 4, Application for Tax Paid Transfer and Registration of a Firearm, or with ATF Form 5, Application for Tax Exempt Transfer and Registration of a Firearm.
Firearms Open Letter
Montana-Oct1998-Open Letter-Permanent Provisions of the Brady Law (776 KB) The purpose of this letter is to advise Federal firearms licensees in Montana of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Montana-July2009-Open Letter-Guidance Regarding Montana Firearms Freedom Act (73 KB)
The purpose of this letter is to provide guidance on your obligations as a Federal firearms licensee (FFL) and the passage of the Montana Firearms Freedom Act.
Firearms Open Letter
Missouri-Oct1998-Open Letter-Permanent Provisions of the Brady Law (817 KB) The purpose of this letter is to advise Federal firearms licensees in Missouri of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Mississippi-Oct1998-Open Letter-Permanent Provisions of the Brady Law (326 KB) The purpose of this letter is to advise Federal firearms licensees in Mississippi of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Minnesota-Oct2019-NICS_background_Check_Prior_to_Firearm_Transfer_to_Non-Licensee_with_Valid_Minnesota_Permit_to_Carry.pdf (436 KB)

All Minnesota Federal Firearms Licensees are required to conduct a NICS background check prior to the transfer of a firearm to a non-licensee even if that person presents a valid Minnesota Permit to Carry.

Firearms Open Letter
Minnesota-Oct1998-Open Letter-Permanent Provisions of the Brady Law (45 KB) The purpose of this letter is to advise Federal firearms licensees in Minnesota of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Michigan-Oct1998-Open Letter-Permanent Provisions of the Brady Law (633 KB) The purpose of this letter is to advise Federal firearms licensees in Michigan of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Michigan-Mar2004-Open Letter-Michigan Concealed Pistol Permit Not an Alternative to NICS (75 KB)

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.

 

Firearms Open Letter
Michigan-Mar2004-Open Letter-Curbing the Flow of Illegal Crime Guns (75 KB)
The purpose of this letter is to advise you of ATF’s continued commitment and strong partnership with the Michigan firearms industry and to request your assistance in combating the illegal traffic and use of firearms.
Firearms Open Letter
Massachusetts-Oct2003-Open Letter-Massachusetts License to Carry No Longer an Alternative to NICS Check (79 KB)
This open letter is to inform all Massachusetts Federal firearms licensees that as of October 21, 2003 all previously grandfathered Massachusetts licenses to carry will have expired. 
Firearms Open Letter
Massachusetts-Oct1998-Open Letter-Permanent Provisions of the Brady Law (45 KB) The purpose of this letter is to advise Federal firearms licensees in Massachusetts of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Maryland-Oct1998-Open Letter-Permanent Provisions of the Brady Law (1008 KB) The purpose of this letter is to advise Federal firearms licensees in Maryland of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
Maine-Oct1998-Open Letter-Permanent Provisions of the Brady Law (45 KB) The purpose of this letter is to advise Federal firearms licensees in Maine of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
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