and performance thresholds. (vii) The project budget. (viii) The project timeline. (ix) The project eligibility criteria. (x) The evaluation design. (xi) The metrics used to determine whether the proposed outcomes have been achieved and how these metrics are measured. (D) A copy of the progress reports and the final reports relating to each social impact partnership project. (E) An estimate of the savings to the Federal, State, and local government, on a program-by-program basis and in the aggregate, resulting from the successful completion of the social impact partnership project. (12) Regulations The Secretary, in consultation with the Federal Interagency Council on Social Impact Partnerships, may issue regulations as necessary to carry out this subsection. (13) Definitions In this subsection: (A) Agency The term agency has the meaning given that term in section 551 of title 5, United States Code. (B) Intervention The term intervention means a specific service delivered to achieve an impact through a social impact partnership project. (C) Secretary The term Secretary means the Secretary of the Treasury. (D) Social impact partnership project The term social impact partnership project means a project that finances social services using a social impact partnership model. (E) Social impact partnership model The term social impact partnership model means a method of financing social services in which— (i) Federal funds are awarded to a State or local government only if a State or local government achieves certain outcomes agreed on by the State or local government and the Secretary