71. Security for keeping peace on conviction

any offence which involves a breach of the peace or of abetting the offence;

committing criminal intimidation or criminal trespass; or

being a member of an unlawful assembly, and the Court before which such person is convicted is of opinion that it is necessary to require such person to execute a bond for keeping the peace, such Court may at the time of passing sentence on such person or in lieu of any sentence, order him to execute a bond for a sum proportionate to his means, with or without sureties, for keeping the peace during such period in each instance as it thinks fit to fix, not exceeding 2 years if ordered by the