If any person obtains possession by false representation or imposition of any property of a society, or having the same in his possession withholds or misapplies the same, or wilfully applies any part thereof to purposes other than those expressed or directed in the rules of the society and authorised by this Act, he shall, on the complaint of the society, or of any member authorised by the society, or the committee thereof, or by the central office, or of the chief registrar or any assistant registrar by his authority, be liable on summary conviction to a fine not exceeding twenty pounds with costs, and to be ordered to deliver up all such property or to repay all moneys applied improperly, and, in default of such delivery or repayment, or of the payment of such fine, to be imprisoned, with or without hard labour, for any time not exceeding three months; but nothing in this section shall prevent any such person from being proceeded against by way of indictment, if not previously convicted of the same offence under this Act.