Evidence Act
153. Cross-examination as to previous written statements.
153. Cross-examination as to previous written statements.
A witness may be cross-examined as to previous statements made by him in writing or reduced into writing, and relevant to matters in question, without such writing being shown to him or being proved, but if it is intended to contradict a witness by a previous written statement, his attention must, before the writing can be proved, be called to those parts of it which are to be used for the purpose of contradicting him.Source: Kenya Law