A license issued under section 322C.4 or 322C.9 may be denied, revoked, or suspended, after opportunity for a hearing before the department of inspections, appeals, and licensing in accordance with chapters 10A and 17A , if it is determined that the licensee or applicant has done any of the following: 1. Violated a provision of this chapter . 2. Made a material misrepresentation to the department in connection with an application for a license, certificate of title, or registration of a towable recreational vehicle or other vehicle. 3. Been convicted of a fraudulent practice in connection with selling or offering for sale vehicles or parts of vehicles subject to registration under chapter 321 . 4. Failed to maintain an established principal place of business in the county. 5. Had a license issued under this chapter , chapter 321H , or chapter 322 , suspended or revoked within the previous three years. 6. Been convicted of a violation of any provision of section 321.52 , 321.78 , 321.92 , 321.97 , 321.98 , 321.99 , 321.100 , or 714.16 . 7. Knowingly made misleading, deceptive, untrue, or fraudulent representations in the business as a distributor of towable recreational vehicles or engaged in unethical conduct or practice harmful or detrimental to the public. [ C81, §322C.6 ] 89 Acts, ch 273, §9 ; 2019 Acts, ch 67, §5, 20 ; 2023 Acts, ch 19, §1982 Fraudulent practices, see §714.8 – 714.14