Iowa Code § 125.19

After suspension, revocation, or refusal to renew a license pursuant to this chapter, the affected licensee shall not have the license reissued or reinstated within one year of the effective date of the suspension, revocation, or expiration upon refusal to renew, unless the department orders otherwise. After that time, proof of compliance with the requirements and restrictions of this chapter and the rules adopted pursuant to this chapter must be presented to the department prior to reinstatement or reissuance of a license.