; and (3) the adoption of the latest available technology in website search function can improve transparency, accessibility, and usability of government websites, thereby enhancing public engagement and improving the delivery of services. (b) Guidance for executive agency use of the latest available technology for website search function (1) OMB Guidance Not later than one year after the date of the enactment of this Act, the Director shall issue guidance to executive agencies to encourage the adoption of the latest available technology available to improve the website search function of the agencies. (2) Plan for implementation Not later than 180 days after the date on which the guidance is issued pursuant to paragraph (1), the chief information officer of each executive agency shall submit to the Director a plan to meet the requirement described in subsection (a) that includes a timeline for implementation of the requirement, estimated costs, and expected outcomes. (3) Reporting Requirement Not later than one year after the date on which the guidance is issued pursuant to paragraph (1), the head of each executive agency shall submit to the Committee on Oversight and Accountability of the House of Representatives and the Committee on Homeland Security and Governmental Affairs of the Senate a report that describes the progress made in meeting the guidance described in paragraph (1), including any challenges encountered and the measures taken to overcome them. (c) Exemption of national security systems This section shall not apply to any national security system. (d) Definitions In this section: (1) Director The term Director means the Director of the Office of Management and Budget. (2) Executive agency The term executive agency has the meaning given the term Executive agency in section 105 of title 5, United States Code. (3) National security system The term national security system has the meaning given that term in section 3552 of title 44, United States Code. (e) Effective date This Act shall take effect 90