An Act to consolidate and amend the law relating to the Criminal Procedure.
PART VI - PROCEEDINGS IN PROSECUTIONS
CHAPTER XXIV - GENERAL PROVISIONS AS TO INQUIRIES AND TRIALS
343. Except as provided in sections 337 and 338, no influence, by means of any promise or threat or otherwise, shall be used to an accused person to induce him to disclose or withhold any matter within his knowledge.
Fair trial standards
Rights during investigation - not to be subjected to any form of coercion, duress or threat, to torture or to any other form of cruel, inhuman or degrading treatment or punishment
EDIT.