Every person indebted to such debtor, or having the possession or custody of any property or thing in action, belonging to him, who shall conceal the same, and not deliver a just and true account of such indebtedness, or not deliver such property or thing in action, to the trustees or one of them, by the day for that purpose appointed, shall forfeit double the amount of such debt, or double the value of such property so concealed; which penalties may be recovered by the trustees.
New York Legal Code