22. Any vagrant who escapes from any custody to which he has been committed under this Act or any rule made thereunder or who leaves a receiving centre without the permission of the officer-in-charge thereof, or who leaves a vagrants' home without the permission of the Manager thereof, or who, having with the permission of such officer-in-charge or Manager, as the case may be, left a receiving centre or a vagrants' home for a time specified under any rule referred to in sub-section (1) of section 15, wilfully fails to return on the expiration of such time, may be arrested without warrant and shall for every such offence, be liable to be punished, on conviction before a Magistrate with rigorous imprisonment for a term which may extend to six months.