Union Civil Service Board Law 17
17. If the office of the Chairperson or any member becomes vacant due to resignation, termination from duty, death or any other cause, the President may appoint and assign duties to a new Chairperson or member in accord with the provisions relating to the appointment of Chairperson or member contained in the Constitution. The term of office of the Chairperson or member so appointed and assigned duties shall be for the remaining term of office of the President.