On September 8, 2023, the Bureau of Alcohol, Tobacco, Firearms and Explosives (“ATF”) published a “Notice of Proposed Rulemaking” in the Federal Register, entitled “Definition of Engaged in the Business as a Dealer in Firearms,” 2022R-17, 88 FR 61993 (“NPRM”). ATF sought public comment on its proposal by December 7, 2023. TFA coordinated with Gun…