Whether, with reference to her department’s role in formulating norms and standards for the provision of water and sanitation services in urban areas, her department plans to formulate similar norms and standards for the provision of water and sanitation services in informal settlements so that the specified task is not left to local governments and services are aligned to those used in urban areas; if not, what is the position in this regard; if so, what are the (a) relevant details and (b) timeframes for the formulation of the specified norms and standards?