Cap. 10:31 PuBLic EN!lTIES CoRPORATE GovERc"'ANCE No. 4/2018 (b) to advise line Ministries with regard to the regular evaluation of the performance of public entities and their boards and employees; and (c) to advise line Ministries with regard to the drawing up of performance contracts(i) between the line Ministries and the boards of all public entities under their purview; and (ii) between boards of all public entities and their chief executive officers and other senior members of management; and (d) to oversee the dischm·ge by line Ministries of their responsibility to monitor compliance by boards m1d senior staff members \Vith the perfmmance contracts referred to in paragraph (c); and (e) to establish m1d Ilk'lintain up to date a comprehensive directory or database accessible to all line Ministers and boards that will enable them to identify suitably qualified candidates for appointment to boards of public entities; and (f) to advise on the provision by line Ministries of programmes for the professional development of board members and senior staff members of all public entities under their purview, including board induction programmes and corporate governance training for board members, chief executive officers and other senior staff members. (2) In the exercise of its functions, the Unit may differentiate between public entities according to whether they are(a) regulatory entities; or (b) commercial entities; or (c) non-commercial entities; or or on any other basis determined by the Unit. 7 Functions of head of Unit (1) Subject to this Act and any directions given to him or her by the Minister through the Secretary, the head of the Unit shall be responsible for directing, managing and controlling the activities of the Unit and its staff, and ensuring that the Unit can·ies out, efficiently and effectively, its functions under this Act. (2) With the approval of the Secretary, the head of the Unit may delegate to any member of the Unit's staff any function conferred or imposed on the head by this Act. 8 Head of Unit may engage consultants With the approval of the Secretary, the head ofthe Unit may engage or retain the services of such professionals, consultants and experts as may be necessary for the proper and efTective exercise of the Unit's functions. 9 Minister may give Unit policy directions The Iviinister may, through the Office of the Chief Secretary to the President and Cabinet, give the head of the Unit such general directions relating to the policy the Unit is to observe in the exercise of its functions under this Act as the Minister considers to be necessary in the national interest. 81