randomized controlled trials. (B) Methodologies to be used The evaluation of a demonstration project shall use experimental designs using random assignment or other reliable, evidence-based research methodologies that allow for the strongest possible causal inferences when random assignment is not feasible. (C) Public disclosure The Secretary shall publish the results of the evaluation on the website of the Department of Health and Human Services in a location easily accessible by the public. (D) Limitation on cost of evaluations For evaluations under this paragraph, the Secretary may not obligate more than 20 percent of the funds reserved under paragraph (6) for each fiscal year. (5) Recommendations to congress The Secretary shall submit recommendations to the Congress on ways to improve case management and better coordinate benefits and services across programs. (6) Funding Of the amounts made available to carry out subsection (b) for fiscal year 2019 and each succeeding fiscal year, the Secretary shall reserve $300,000,000 to carry out this subsection. (7) Availability of funds Funds provided to a State under this subsection for a fiscal year shall be expended by the State in the fiscal year or in the succeeding fiscal year. . 3. Effective date The amendment made by this Act shall take effect on October 1, 2018.