; 131 Stat. 1725) is amended— (1) in subsection (c)(2), by striking the date that is 18 months after the date of the enactment of this Act and inserting December 31, 2020 ; and (2) in subsection (d), by striking 18 months after the date of the enactment of this Act and inserting December 31, 2020 . B Defense intelligence and intelligence-Related activities 1611. Authority to provide additional allowances and benefits for Defense Clandestine Service employees Section 1603 of title 10, United States Code, is amended by adding at the end the following new subsection: (c) Additional allowances and benefits for employees of the Defense Clandestine Service In addition to the authority to provide compensation under subsection (a), the Secretary of Defense may provide an employee in a defense intelligence position who is assigned to the Defense Clandestine Service allowances and benefits under paragraph (1) of section 9904 of title 5 without regard to the limitations in that section— (1) that the employee be assigned to activities outside the United States; or (2) that the activities to which the employee is assigned be in support of Department of Defense activities abroad. . 1612. Modification of integration of Department of Defense intelligence, surveillance, and reconnaissance capabilities (a) Repeal Section 426 of title 10, United States Code, is hereby repealed. (b) Table of sections amendment The table of sections at the beginning of subchapter I of chapter 21 of title 10, United States Code, is amended by striking the item relating to section 426. 1613. Renaming the Under Secretary of Defense for Intelligence to Under Secretary of Defense for Intelligence and Security (a) In general Section 137 of title 10, United States Code, is amended— (1) in the heading, by inserting and Security after Intelligence