"It is also vital that the appeal procedure, and especially the powers and responsibilities of the various bodies involved in it, should be clearly regulated by law, so as to avoid any positive or negative conflicts of jurisdiction. Neither the appellants nor the authorities should be able to choose the appeal body. The risk that successive bodies will refuse to give a decision is seriously increased where it is theoretically possible to appeal to either the courts or an electoral commission, or where the powers of different courts – e.g. the ordinary courts and the constitutional court – are not clearly differentiated. "