1. Short title This Act may be cited as the ATF Improvement and Modernization Act of 2023 or the AIM Act of 2023 . 2. Elimination of limitations relating to firearms trace data (a) Tiahrt amendments (1) Fiscal year 2012 The matter under the heading Salaries and Expenses under the heading Bureau of Alcohol, Tobacco, Firearms and Explosives in title II of division B of the Consolidated and Further Continuing Appropriations Act, 2012 ( 18 U.S.C. 923 note; Public Law 112–55 ; 125 Stat. 609) is amended by striking the sixth proviso. (2) Fiscal year 2010 The sixth proviso under the heading Salaries and Expenses under the heading Bureau of Alcohol, Tobacco, Firearms and Explosives in title II of division B of the Consolidated Appropriations Act, 2010 ( 18 U.S.C. 923 note; Public Law 111–117 ; 123 Stat. 3128) is amended by striking beginning in fiscal year 2010 and thereafter and inserting in fiscal year 2010 . (3) Fiscal year 2009 The sixth proviso under the heading Salaries and Expenses under the heading Bureau of Alcohol, Tobacco, Firearms and Explosives in title II of division B of the Omnibus Appropriations Act, 2009 ( 18 U.S.C. 923 note; Public Law 111–8 ; 123 Stat. 575) is amended by striking beginning in fiscal year 2009 and thereafter and inserting in fiscal year 2009 . (4) Fiscal year 2008 The sixth proviso under the heading Salaries and Expenses under the heading Bureau of Alcohol, Tobacco, Firearms and Explosives in title II of division B of the Consolidated Appropriations Act, 2008 ( 18 U.S.C. 923 note; Public Law 110–161 ; 121 Stat. 1903) is amended by striking beginning in fiscal year 2008 and thereafter and inserting in fiscal year 2008 . (5) Fiscal year 2006 The sixth proviso under the heading Salaries and Expenses under the heading Bureau of Alcohol, Tobacco, Firearms and Explosives in title I of the Science, State, Justice, Commerce, and Related Agencies Appropriations Act, 2006 ( 18 U.S.C. 923 note; Public Law 109–108