Refusal or neglect of juror to perform duty

Every person who, to per- form duty. (a) being summoned as a juror at any inquest, refuses or- neglects to attend; (b) being in attendance on an inquest, refuses to be sworn or to serve as a juror; or (c) being called to complete the number of jurors, refuses to be sworn or to serve as a shall, unless he proves to the satisfaction of the magistrate that he had good and sufficient cause for his refusal or neglect, on conviction thereof, be liable to a fine not exceeding one hundred dollars. 22