MONEYWEB app instead? Contraventions in supply chain management result in irregular expenditure of R28.6bn in FY2020. 00:01 The Hawks and the Special Investigating Unit are currently investigating 50 matters. Some have been referred to the NPAâs Specialised Commercial Crimes Unit. Image: Shutterstock The issues relating to financial mismanagement and tender irregularities at the Passenger Rail Agency of South Africa (Prasa) have been in the public eye for a number of years. In 2015, then-Public Protector Thuli Madonsela released her report on the investigation into the various allegations concerning Prasa. These irregularities have been further probed by the Judicial Commission of Inquiry into Allegations of State Capture.