Section 556.25 - Interest and penalties1. A person who fails to pay or deliver property within the time prescribed by this chapter shall pay the treasurer of state interest at the annual rate of ten percent on the property or value of the property from the date the property should have been paid or delivered but in no event prior to July 1, 1984.2. A person who willfully fails to pay or deliver property to the treasurer of state as required under this chapter shall pay a civil penalty equal to twenty-five percent of the value of the property that should have been paid or delivered.3. The interest or penalty or any part of the interest or penalty as imposed in subsection 1 or 2 may be waived or remitted by the treasurer of state if the person's failure to pay abandoned funds or deliver property is satisfactorily explained to the treasurer of state and if the failure has resulted from a mistake by the person in understanding or applying the law or the facts which require that person to pay abandoned funds or deliver property as provided in this chapter.