feasibility study and submit the study to the Federal Interagency Council on Social Impact Partnerships. (f) Delegation of authority The Secretary may transfer to the head of another Federal agency the authorities provided in this section and any funds necessary to exercise the authorities. 2055. Evaluations (a) Authority To enter into agreements For each State or local government awarded a social impact partnership project approved by the Secretary under this subtitle, the head of the relevant agency, as recommended by the Federal Interagency Council on Social Impact Partnerships and determined by the Secretary, shall enter into an agreement with the State or local government to pay for all or part of the independent evaluation to determine whether the State or local government project has achieved a specific outcome as a result of the intervention in order for the State or local government to receive outcome payments under this subtitle. (b) Evaluator qualifications The head of the relevant agency may not enter into an agreement with a State or local government unless the head determines that the evaluator is independent of the other parties to the agreement and has demonstrated substantial experience in conducting rigorous evaluations of program effectiveness including, where available and appropriate, well-implemented randomized controlled trials on the intervention or similar interventions. (c) Methodologies To be used The evaluation used to determine whether a State or local government will receive outcome payments under this subtitle shall use experimental designs using random assignment or other reliable, evidence-based research methodologies, as certified by the Federal Interagency Council on Social Impact Partnerships, that allow for the strongest possible causal inferences when random assignment is not feasible. (d) Progress report (1) Submission of report The independent evaluator shall— (A) not later than 2 years after a project has been approved by the Secretary and biannually thereafter until the