; and (2) by striking until October 1, 2020 . 605. Streamlining of support functions (a) Working group established Not later than 90 days after the date of the enactment of this Act, the Secretary shall establish a working group to explore the possibilities and cost-benefit analysis of transitioning to a shared services mode as such pertains to human resources, travel, purchasing, budgetary planning, and all other executive support functions for all bureaus of the Department that report to the Under Secretary for Public Diplomacy of the Department. (b) Report Not later than one year after the date of the enactment of this Act, the Secretary shall submit to the appropriate congressional committees a plan to implement any such findings of the working group established under subsection (a). 606. Guidance for closure of public diplomacy facilities (a) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of State shall adopt, and include in the Foreign Affairs Manual, guidelines to collect and utilize information from each diplomatic post at which the construction of a new embassy compound or new consulate compound would result in the closure or co-location of an American Space, American Center, American Corner, or any other public diplomacy facility under the Secure Embassy Construction and Counterterrorism Act of 1999 ( 22 U.S.C. 4865 et seq.). (b) Requirements The guidelines required by subsection (a) shall include the following: (1) Standardized notification to each chief of mission at a diplomatic post describing the requirements of the Secure Embassy Construction and Counterterrorism Act of 1999 and the impact on the mission footprint of such requirements. (2) An assessment and recommendations from each chief of mission of potential impacts to public diplomacy programming at such diplomatic post if any public diplomacy facility referred to in subsection (a) is closed or staff is co-located in accordance with such Act. (3) A process by which assessments and recommendations