### 20 Hearing of complaints > *\[Section 20 Amended by No. 108 of 1974, s. 38 and Sched. 1 \]* > > > (1) Every complaint shall be heard and determined by a magistrate or by one or by more justices, as is directed by the Act relating to the matter, or if there is no such direction, by any 2 or more justices. > > > (2) No justice other than a magistrate shall sit or adjudicate under this Act on the hearing of any complaint unless he has been notified as prescribed by the clerk of petty sessions that his attendance is required on the day on which that complaint is to be heard. > > > (3) No finding, decision, or order of any court of summary jurisdiction may be impugned, reversed, or invalidated on the ground that a justice sitting in the court has not received a notice as provided by [subsection (2)](#GS20@Gs2@EN) .

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