915.89  Erroneous or fraudulent payment — penalty.
  1.  If a payment or overpayment of compensation is made because of clerical error, mistaken identity, innocent misrepresentation by or on behalf of the recipient, or other circumstances of a similar nature, not induced by fraud by or on behalf of the recipient, the recipient is liable for repayment of the compensation. The department may waive, decrease, or adjust the amount of the repayment of the compensation. However, if the department does not notify the recipient of the erroneous payment or overpayment within one year of the date the compensation was made, the recipient is not liable for the repayment of the compensation.
  2.  If a payment or overpayment has been induced by fraud by or on behalf of a recipient, the recipient is liable for repayment of the compensation.
98 Acts, ch 1090, §50, 84