With reference to the court decision in Glencore Operations South Africa Proprietary Limited Coal Division v Minister of Mineral Resources and Others (JR91/2014) [2016] ZALC JHB 49, dated 3 February 2016, where the decision was handed down to impose an administrative fine of R500 000 on the South Witbank Colliery after a worker died in a mine accident, (a) why did (i) he and (ii) the Mine Health and Safety Inspectorate (MHSl) fail to submit answering affidavits when the specified colliery challenged the decision in court, (b) how has the MHSI changed its operating processes to avoid this precedent being used by mines to avoid fines in future and (c) what amount is to be paid back to the mine as a consequence of the specified judgement?