6. The Registrar or other proper officer present at any trial or hearing shall make a note of the times at which the trial or hearing commences and terminates respectively and the time it actually occupies on each day it goes on for the purpose of the effective management of Court business. Order of proceedings. 7. The order of proceedings at the trial of a case shall be as prescribed in rules 8 - 15 of this order. Burden of proof by party to begin. 8. The party on whom the burden of proof lies by the nature of issues or questions between the parties shall begin. Documentary evidence. 9. D ocumentary evidence shall be put in and may be read or taken as read by consent. Additional witness. 10. (1) In exceptional circumstance, to be determined by the Judge, a party who desires to call any witness not being a witness whose deposition on oath accompanied his pleading shall apply to the Judge for leave to call such witness. (2) An application for leave in sub-rule 1 above shall be accompanied by the deposition on oath of such witness. Close of case of parties. 11. (1) A party shall close his case when he has concluded his evidence. Either the plaintiff or defendant may make oral application to have the case closed. (2) Notwithstanding the provision of sub-rule 1 of this rule, the judge may on his own motion, where he considers that either party fails to conclude his case within a reasonable time, close the case for the party. Exhibits during trial. 12. (1) The registrar shall take charge of every document or object put in as exhibit during the trial of an action and shall mark or label every exhibit with a letter or letters indicating the party by whom the exhibit is put in (or where more convenient the witness by whom the exhibit is proved) and with a number, so that all the exhibits put in by a party (or proved by a witness) are numbered in one consecutive series. (2) The Registrar shall cause a list of all the exhibits in the action to be made. (3) The list of exhibits when completed shall form part of the record of the action. (4) For the purpose of this rule, a bundle of documents may be treated and counted as one exhibit.