; and (3) in subsection (d)(2)— (A) in subparagraph (A), by striking firearms or ammunition and inserting firearms, ammunition, and firearm manufacturing machines ; and (B) in subparagraph (C), by striking firearms or quantities of ammunition and inserting firearms, quantities of ammunition, or firearm manufacturing machines . (d) Effective date The amendments made by this section shall apply to conduct engaged in on or after January 1, 2022.