(1) With reference to his reply to question 1413 on 5 May 2015, which department(s) participated in the pilot of Regulatory Impact Assessments (RIAs); (2) what were the recommendations of the review of the pilot; (3) has the Socio-Economic Impact Assessment System (SEIAS), which has replaced the RIAs, been implemented in The Presidency; if not, (i) why not and (ii) when will it be implemented; if so, since what date; (4) will the SEIAS be implemented in all government departments?