WALLIS AJ both duplication and of factual matter being wrongly omitted. In the former case, the burden of reading on members of this Court, already heavy, is aggravated. In the latter it may arise that this Court is asked to adjudicate cases on a different factual basis to that on which the court below decided them. It hardly seems necessary to highlight that this is unsatisfactory and inconsistent with the judicial comity with which this Court treats the other courts in our legal system. [28] This Court has on previous occasions deprecated the practice of many parties, including those represented by experienced legal practitioners, of submitting documents late, or not in proper form, or producing fresh documents at a very late stage of the proceedings, sometimes only a day or two prior to a hearing. 20 This cannot be permitted to continue. The workload of this Court is rapidly expanding and the demands being made on judicial time are ever increasing. In order to cope with this challenging environment it is essential that practitioners observe the Rules and comply with time limits. Applications for condonation of a failure to do so are not to be had for the asking. [29] Having said that, it is plain that a number of the documents contained in the supplementary record are helpful in fleshing out the factual picture and explaining what occurred in the conduct of these by-elections. It is in the interests of justice that this Court should have regard to them in determining the outcome of the case. For that reason condonation should be granted. But this judgment must stand as a warning to practitioners that playing fast and loose with the Rules of this Court is not to be tolerated. Leave to appeal [30] The issues revolve around foundational principles of our Constitution and the assertion by the applicants of the rights protected by section 19 of the Bill of Rights. In addition, they concern the manner in which the IEC discharges its constitutional 20 Chevron SA (Pty) Limited v Wilson t/a Wilson’s Transport and Others [2015] ZACC 15 at para 39. 17