(1) Whether all South African ambassadors are required to declare their interests; if not, why not; if so, (a) how frequently do they declare their interests, (b) what are the details of the process that is followed to review the declarations and (c) who is the authority in charge of overseeing the process; (2) what are the details of the process that must be followed when it is found upon review of such declarations that a conflict of interest exists?