CHAPTER IV
HUMAN RIGHTS
42. Arrest, detention and fair trial
(2) Every person arrested for, or accused of, the alleged commission of an offence shall, in addition to the rights which he or she has as a detained person, have the right —
(f) as an accused person, to a fair trial, which shall include the right —
(iv) to adduce and challenge evidence, and not to be a compellable witness against himself or herself ;
Rights during trial - examine witnesses
Rights during trial - raise defences
Rights during trial - unsworn oral or written statement in defence
EDIT.