Warrant for apprehension of witness not attending on recognisance

If any person who has been bound by recognisance to attend as a witness, or to whom a notice has been sent in accordance with section 47, whether for the prosecution or for the defence, at the trial of any cause does not attend the court on the day appointed for that trial, and no reasonable excuse is offered for his non-attendance, the court may issue a warrant to apprehend him, and to bring him, at a time to be mentioned in the warrant, before the court in order to give evidence on behalf of the prosecution or of the defence, as the case