Home About About Overview The Police Superannuation Scheme (PSS) was established in 1992 and is New Zealand's largest employer-based superannuation scheme. Trustee Meet the directors of PSS Trustees Limited -- the corporate trustee appointed by the Commissioner and the Police Service Organisations to manage the scheme. Advisers Our professional advisers include a scheme secretary, administration manager, investment consultants and managers, auditor, solicitor and communications adviser. Contact Contact your Payroll Officer with questions about joining, contributions or leave without pay. Contact Mercer about anything else. You'll also find contact details for the trustee and information about our complaints resolution process.