Iowa Code § 321F.5
A license shall be denied if the applicant has engaged in business in this state within one year prior to the date of application without first having obtained a license as provided in this chapter, or has violated any rules and regulations of the director adopted for the administration of this chapter.
The license of any licensee who shall have violated any provision of this chapter or any rules and regulations of the director adopted for the administration of this chapter shall be suspended and such license shall not be renewed nor shall a new license be issued to such licensee within one year after the date of suspension of the license; provided that the suspension of a license shall not invalidate any lease entered into by lessor prior to suspension and the parties to the lease shall have the authority and remain liable to perform their respective obligations under such leases.
Iowa Code § 321F.5