The OPW is a scheduled Office under the Public Service Management Act 1997, which sets out arrangements for the management of Departments and Offices and the specification of individual responsibilities and accountability at a senior level. The Chairman of the Board of Commissioners is the administrative Head of the OPW and is also the Accounting Officer for the OPW. The OPW's Management Board, which includes the Chairman, Commissioners and senior Heads of Divisions, is the top-level management group which advises the Minister and Minister of State on policy and directs the activities and functions of the Office.