Text: While agencies will need to tailor their performance management systems to their unique organizational requirements and climates, they nonetheless are  hold executives accountable for results; appraise executive performance on those results balanced against other dimensions, including customer satisfaction and employee perspective; and use those results as the basis for performance awards and other personnel decisions.
Entailment: Agencies will have to tailor their management systems for organizational requirements.
Contradiction: Agencies don't have to change a thing, they're doing great.