Whether, with reference to her reply to question 164 on 29 February 2016, any investigations have been launched to ascertain why the specified payments to the SA Post Office (SAPO) did not take place; if not, why not; if so, (a) what were the outcomes of such investigation(s), (b) who was responsible for the non-payment of the SAPO account, (c) how was the specified person(s) censured and (d) what mechanisms have been put in place to prevent a repetition of such an event in the future?