; and (6) such other matters as the Secretary considers appropriate. . (e) Extension Subsection (h) of such section, as so redesignated, is amended by striking December 31, 2019 and inserting December 31, 2021 . 1205. Legal and policy review of advise, assist, and accompany missions (a) In general Not later than 120 days after the date of the enactment of this Act, the Under Secretary of Defense for Policy shall, in coordination with the General Counsel of the Department of Defense and the commanders of appropriate combatant commands, submit to the congressional defense committees a report on a review, conducted for purposes of the report, of the legal and policy frameworks associated with advise, assist, and accompany missions by United States military personnel. (b) Elements The report and review required by subsection (a) shall include the following: (1) An analysis of the risks and benefits of United States military personnel conducting advise, assist, and accompany missions with foreign partner forces, and an assessment of the relation of such risks and benefits to United States security objectives. (2) A review of execute orders in order to ensure that such orders comply with United States law for the employment of United States military personnel and capabilities to advise, assist, and accompany foreign partner forces. (3) An assessment whether the legal and policy frameworks applicable to advise, assist, and accompany missions by United States military personnel are adequately communicated to and understood at all levels of operational command. (4) An assessment whether approvals related to advise, assist, and accompany missions are taken at the appropriate level of command. (5) A definition, and policy guidance, for the appropriate use in execute orders of each of the following: (A) Advise (B) Assist. (C) Accompany. (D) Collective self defense. (E) Last point of cover and conceal. (6) Any other matters the Under Secretary considers appropriate. (c) Form The report required by subsection (a) shall be