Revocation, suspension or refusal to issue or renew registration. Placement of conditions or renewal

The commissioner may revoke, suspend, refuse to issue or renew, or place conditions upon the renewal of any certificate issued pursuant to sections 20-417a to 20-417j, inclusive, or place a registrant on probation or issue a letter of reprimand after notice and hearing in accordance with the provisions of chapter 54 concerning contested cases if it is shown that the holder of such certificate has: (1) Failed to comply with any provision of sections 20-417a to 20-417j, inclusive, or any regulation adopted pursuant to said sections; (2) obtained the certificate through fraud or misrepresentation; (3) engaged in conduct of a character likely to mislead, deceive or defraud the public or the commissioner; (4) engaged in any untruthful or misleading advertising; (5) failed to reimburse the New Home Construction Guaranty Fund established pursuant to section 20-417i for any moneys paid to a consumer pursuant to said section; (6) engaged in an unfair or deceptive business practice under subsection (a) of section 42-110b; (7) failed to timely complete any task, as specified in a written contract of sale; (8) failed to remedy any violation of any provision of sections 47-116 to 47-121, inclusive, or any regulation adopted pursuant to said sections; (9) failed to remedy any violation of any provision of the State Building Code; or (10) if applicable, failed to maintain its certificate of good standing issued by the office of the Secretary of the State.