; and (B) by adding at the end the following new subparagraph: (B) The implementation and efficacy of sections 2 through 4 of the Military Justice Improvement Act of 2017 and the amendments made by such sections. ; and (2) in paragraph (2), by striking paragraph (1) and inserting paragraph (1)(A) . 6. Effective date and applicability (a) Effective date and applicability This Act and the amendments made by this Act shall take effect 180 days after the date of the enactment of this Act, and shall apply with respect to any allegation of charges of an offense specified in subsection (a) of section 2, and not excluded under subsection (c) of section 2, which offense occurs on or after such effective date. (b) Revisions of policies and procedures Any revision of policies and procedures required of the military departments or the Department of Homeland Security as a result of this Act and the amendments made by this Act shall be completed so as to come into effect together with the coming into effect of this Act and the amendments made by this Act in accordance with subsection (a).