Confession caused by __________________ is irrelevant in criminal proceedings.

S.22. Confession caused by inducement, threat, coercion or promise, when irrelevant in criminal proceeding. A confession made by an accused person is irrelevant in a criminal proceeding, if  the making of the confession appears to the Court to have been caused by any inducement,  threat, coercion or promise having reference to the charge against the accused person,  proceeding from a person in authority and sufficient, in the opinion of the Court, to give the  accused person grounds which would appear to him reasonable for supposing that by  making it he would gain any advantage or avoid any evil of a temporal nature in reference to  the proceedings against him: