develop a set of outcome measures (including length of stay in foster care, number of foster care placements, and number of adoptions) that can be used to assess the performance of States in operating child protection and child welfare programs pursuant to part B and this part to ensure the safety of children;

to the maximum extent possible, the outcome measures should be developed from data available from the Adoption and Foster Care Analysis and Reporting System;

develop a system for rating the performance of States with respect to the outcome measures, and provide to the States an explanation of the rating system and how scores are determined under the rating system;

prescribe such regulations as may be necessary to ensure that States provide to the Secretary the data necessary to determine State performance with respect to each outcome measure, as a condition of the State receiving funds under this part;