(1)Whether there is any position of director-general in any national department that is currently vacant; if so, (a) how long has each specified position been vacant and (b) what is the reason for each vacancy;
(2) Have the vacancies been advertised; if so, (a) were interviews done and (b) on what date will the vacancies be filled;
(3) (a) What is the total number of persons who are currently employed in positions of director-general in an acting capacity, (b) for what period have they been acting in each position and (c) has any of the specified persons applied for the positions;
(4) Which contracts of directors-general will expire in the (a) 2017-18, (b) 2018-19 and (c) 2019-20 financial years?