(a) How many (i) black-, (ii) white- and (iii) female-owned contractors initiated legal action against each provincial department of human settlements for non-payment of work within the prescribed 30 days period in the 2016-17 financial year, (b) what was the value of each payment, (c) what are the full details of the work to be conducted in each case and (d) what is the current status of each contract?