implementing evaluation activities, disseminating best practices and findings, and incorporating employee views and feedback. (6) The extent to which the agency has the capacity to assist front-line staff and program offices to develop the capacity to use evaluation research and analysis approaches and data in the day-to-day operations. (c) GAO review of agency reports Not later than 4 years after the date of enactment of this Act, the Comptroller General of the United States shall submit to Congress a report that summarizes agency findings and highlights trends from the reports submitted pursuant to subsection (a) and, if appropriate, recommends actions to further improve agency capacity to use evaluation techniques and data to support evaluation efforts. 6. Online repository and additional reports (a) Repository The Director of the Office of Management and Budget shall collaborate with the Office of Government Information Services and the Administrator of General Services to develop and maintain an online repository of tools, best practices, and schema standards to facilitate the adoption of open data practices, which shall— (1) include definitions, regulation and policy, checklists, and case studies related to open data, this Act, and the amendments made by this Act