; and (B) consulting with the congressional defense committees regarding such matters. (2) Elements Each briefing required by paragraph (1) shall include the following: (A) An update on irregular warfare activities within each geographic combatant command and a description of the manner in which such activities support the respective theater campaign plan and the National Defense Strategy. (B) An overview of relevant authorities and legal issues, including limitations. (C) An overview of irregular warfare-related interagency activities and initiatives. (D) A description of emerging combatant command requirements for the use of the authority provided by this section. (k) Irregular warfare defined Subject to subsection (f), in this section, the term irregular warfare means Department of Defense activities not involving armed conflict that support predetermined United States policy and military objectives conducted by, with, and through regular forces, irregular forces, groups, and individuals. . (b) Clerical amendment The table of sections at the beginning of such chapter is amended by inserting after the item relating to section 127c the following new item: 127d. Support of special operations for irregular warfare. . (c) Repeal Section 1202 of the National Defense Authorization Act for Fiscal Year 2018 is repealed. 1394. Modification of authority for expenditure of funds for clandestine activities that support operational preparation of the environment Section 127f of title 10, United States Code, is amended— (1) by redesignating subsections (c), (d), (e), and (f) as subsections (d), (e), (g), and (h), respectively