Aposhian v. Barr

*1151Guedes v. ATF , 356 F.Supp.3d 109, 129 n.3 (D.D.C. 2019) (rejecting challenges to the Final Rule's interpretations and the ATF's interpretive authority, noting the "ATF's clear authority to interpret and administer" the relevant statutes).

In addition to his explicit statutory authority, the Attorney General has been implicitly delegated interpretive authority to define ambiguous words or phrases in the NFA and the GCA. Congress did not define "automatically" or "single function of the trigger," and when Congress leaves terms in a statute undefined, the agency charged with administering that…