Iowa Code § 167.8

If the inspector finds that said building does not comply with the requirements of this chapter or with the rules of the department, the inspector shall notify the applicant wherein the same fails to so comply. If within a reasonable time thereafter, to be fixed by the inspector, the specified defects are remedied, the department shall make a second inspection, and proceed therewith as in case of an original inspection. Not more than two inspections need be made under one application.