The Public Service Commission (PSC) (Māori: Te Kawa Mataaho), called the State Services Commission until 2020, is the central public service department of New Zealand charged with overseeing, managing, and improving the performance of the State sector of New Zealand and its organisations. The PSC's official responsibilities, as defined by the State Sector Act 1988, include: The role of PSC, as described in the four year plan, is "to work with leaders across the State Services to change the way agencies think, organise and operate".