; and (2) for purposes of subsections (a)(2) and (c)(3)(A) of such section, the appropriate official designated to approve the justification for a sole-source contract awarded by the Department of Defense in a covered procurement exceeding $100,000,000 is the official designated in section 2304(f)(1)(B)(ii) of title 10, United States Code. (b) Guidance Not later than 90 days after the date of the enactment of this Act, the Secretary of Defense shall issue guidance to implement the authority under subsection (a). (c) Comptroller General review (1) Data tracking and collection The Department of Defense shall track the use of the authority provided pursuant to subsection (a) and make the data available to the Comptroller General for purposes of the report required under paragraph (2). (2) Report Not later than February 1, 2022, the Comptroller General of the United States shall submit a report to the congressional defense committees on the use of the authority provided pursuant to subsection (a) through the end of fiscal year 2021. E Provisions related to software-Driven capabilities 851. Improved management of information technology and cyberspace investments (a) Improved management (1) In general The Chief Information Officer of the Department of Defense shall work with the Chief Data Officer of the Department of Defense to optimize the Department's process for accounting for, managing, and reporting its information technology and cyberspace investments. The optimization should include alternative methods of presenting budget justification materials to the public and congressional staff to more accurately communicate when, how, and with what frequency capability is delivered to end users, in accordance with best practices for managing and reporting on information technology investments. (2) Briefing Not later than February 3, 2020, the Chief Information Officer of the Department of Defense shall brief the congressional defense committees on the process optimization undertaken pursuant to paragraph (1), including