SECTION 330

(1) Witness shall give their evidence separately and orally. However, a witness may, with leave of the court, consult any written document made at the time when the facts to whish he is testifying occurred. This document shall be shown to the adverse party if he so requests. (2) The witnesses for the prosecution shall be heard first, followed by those for the civil party, if any, and finally those for the defence. (3) Any person not summoned but who is present in court may , if he spontaneous1y so requires, testify or produce any document in his possession for the purpose of information only. He shall not take oath. This provision- shall not app1y to the members of the court. (4) The party producing a witness shall not be allowed to impeach his credit; however, where in the course of his examination-in-chief the witness gives evidence which is manifestly contradictory to his previous statement, the party calling him may app1y to the court for 1eave to impeach his credit by subjection him to cross examination