; (7) ensure that the Department or agency— (A) collects relevant data on award and incentive fees paid to contractors; and (B) has mechanisms in place to evaluate such data on a regular basis; and (8) include performance measures to evaluate the effectiveness of award and incentive fees as a tool for improving contractor performance and achieving desired program outcomes. (c) Return of unearned bonuses Any funds intended to be awarded as incentive fees that are not paid due to contractors' inability to meet the criteria established by this section shall be returned to the Treasury.