Defences available to garnishee and judgment debtor
11In all cases under this Act, the judgment debtor, the garnishee, and all other parties in any way interested in or affected by the proceedings, are entitled to set up any defence as between the judgment creditor and the judgment debtor that the latter would be entitled to set up in an ordinary suit, and also any defence as between the garnishee and the judgment debtor, and may also show any other just cause why the debt sought to be attached should not be paid over or applied in or towards the satisfaction of the claim of the judgment creditor.