Iowa Code § 522A.6: Vendor qualifications.

If a qualified vendor is available, the commissioner shall utilize the qualified vendor closest in proximity to where the counter employee is employed to meet the requirements in section 522A.3. A vendor shall have at least two years teaching experience relating to the topic of the products described in this chapter. For purposes of this section, the commissioner may approve a rental company that meets the requirements of this section as a qualifying vendor to administer the requirements in section 522A.3.