and Pensions of the Senate and the Committee on Energy and Commerce of the House of Representatives to report on the contents described in the reports under this section. (B) Participation in congressional hearing Each fiscal year, as applicable and requested, representatives from the Food and Drug Administration shall participate in a public hearing before the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Energy and Commerce of the House of Representatives, to report on the contents described in the reports under this section. Such hearing shall occur not later than 120 days after the end of each fiscal year for which fees are collected under this section. 10. Authorization of appropriations For purposes of funding implementation of this Act (including the amendments made by this Act), including undertaking activities for the development of regulations and guidances, hiring of necessary staff, and the development of technology systems to implement this Act (including the amendments made by this Act) in a timely, effective, and efficient manner, there is authorized to be appropriated $480,000,000, to remain available through the end of fiscal year 2028. 11. Guidance on Diagnostic Innovation Not later than January 1, 2025, the Secretary shall issue guidance to assist developers of in vitro clinical tests intended to identify or diagnose rare diseases and in vitro clinical tests intended to address an unmet medical need. Such guidance shall include considerations for addressing barriers to developing sufficient data to demonstrate clinical validity for such tests, such as challenges associated with data collection and obstacles to the timely generation of evidence. 12. GAO report on unique considerations Not later than 3 years after the date of enactment of this Act, the Comptroller General of the United States shall submit to the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Energy and Commerce of the House of Representatives a