Iowa Code § 537.3609: Renegotiation.

1. A renegotiation occurs when an existing consumer rental purchase agreement is satisfied and replaced by a new consumer rental purchase agreement undertaken by the same lessor and lessee. A renegotiation is a new lease requiring new disclosures.

2. However, the following events are not renegotiations:

a. The addition or return of property in a multi-item agreement or the substitution of the leased property, if in either case the lease payment is not changed by more than twenty-five percent.

b. A deferral or extension of one or more lease payments, or portions of a lease payment.

c. A reduction in charges in the agreement.

d. A lease or agreement involved in a court proceeding.