Whether her department has identified incidents where contractors were found to have been using underhanded practices to conduct unauthorised work on ablution and/or sanitation facilities in informal settlements to solicit payment from the council; if not, what is the position in this regard; if so, (a) in what total number of municipalities has the practice been identified as being rampant and (b) what measures has her department put in place to ensure that the procurement processes move along unaffected to effect the delivery of ablution and sanitation services?