§ 73. Examination of insolvent. At the hearing or trial, the
petitioner must be examined under oath, at the instance of any creditor,
touching his property or debts, or any other matter stated in his
schedule, or any changes that have occurred in the situation of his
property, since the making of the schedule; and particularly whether he
has collected any debts or demands, or made any transfers of, or
otherwise affected, his real or personal property. Any creditor may
contradict or impeach, by other competent evidence, the testimony of the
insolvent or of his wife.