OMB control number

Identification Markings Placed on Firearms

OMB 1140-0050 · DOJ/ATF.

OMB 1140-0050

Each licensed firearms manufacturer and licensed firearms importer must legibly identify each firearm by engraving, casting, stamping (impressing), or otherwise conspicuously placing on the frame or receiver an individual serial number, any associated license number, and all other additional required information to a depth of at least .003 inch and in a print size no smaller than 1/16 inch. Used to facilitate the investigations of the criminal use of firearms.

The latest form for Identification Markings Placed on Firearms expires 2028-05-31 and can be found here.

Latest Forms, Documents, and Supporting Material

Document Name
Supporting Statement for 1140-0050.12-10-24.docx Supporting Statement A
26 USC 5842 Identification of Firearms 4.1.2020.pdf Supplementary Document
27 CFR 478.92 How must licensed manufacturers... 4.1.2020.pdf Supplementary Document
27 CFR 479.102 How Firearms Must Be Identified 4.1.2020.pdf Supplementary Document
Identification Markings Placed on Firearms

All Historical Document Collections

202411-1140-010	Revision of a currently approved collection	2024-12-17
202110-1140-006 Approved without change	Revision of a currently approved collection	2021-10-29
201807-1140-003 Approved without change	Revision of a currently approved collection	2018-07-30
201505-1140-003 Approved without change	Extension without change of a currently approved collection	2015-05-26
201112-1140-010 Approved without change	Extension without change of a currently approved collection	2012-03-30
200901-1140-001 Approved without change	Reinstatement without change of a previously approved collection	2009-01-14
200510-1140-002 Approved without change	Extension without change of a currently approved collection	2005-10-28
200301-1140-064 Approved without change	Extension without change of a currently approved collection	2003-01-24