(1) Whether (a) he and (b) the Ports Regulator have been informed of the increase with regard to the Transnet Port Terminal tariff that was published for the 2012-13 financial year; if so, what is the position in this regard; (2) whether Transnet had consulted with the Ports Regulator prior to the tariff increase; if not, why not; if so, what (a) is the scope of the consultation and (b) are the further relevant details; (3) whether a comparative study of international tariffs and standards had been conducted before increases were signed off; if not, why not; if so, what are the relevant details; (4) what steps have been taken to limit excessive increases in order to make harbours competitive in international shipping and freight markets?