Whether the State Information Technology Agency (Pty) Ltd (Sita) has any unsigned service level agreements with any (a) national and (b) provincial departments; if not, how was this conclusion reached; if so, (i) how many of these agreements are with (aa) national and (bb) provincial departments, (ii) what mechanisms have been put in place to ensure that these unsigned agreements are used to monitor and evaluate these departments and (iii) what are the further relevant details?