Renewal not a waiver or estoppel.

Iowa Code § 515D.9, under AUTOMOBILE INSURANCE CANCELLATION CONTROL.

Iowa Code § 515D.9

Renewal of a policy shall not constitute a waiver or estoppel with respect to grounds for cancellation which existed before the effective date of renewal. [C71, 73, 75, 77, 79, 81, §515D.9 ]