Notwithstanding sections 537.3620 and 537.3621, a failure to comply with a provision of this part which is due to a bona fide error may be corrected within thirty days after the date of execution of the consumer rental purchase agreement by the lessee. If so corrected, neither the lessor nor any holder is subject to penalty under this section if, where appropriate, a new written agreement and disclosures are provided to the lessee and any excess charges are refunded to the lessee.
Iowa Code § 537.3622
87 Acts, ch 80, §22