1. Any license issued under sections 324.1100 to 324.1148 shall be valid for two years. An application for renewal of such license shall be mailed to every person to whom a license was issued or renewed during the current licensing period. The applicant shall complete the application and return it to the board by the renewal date with a renewal fee in an amount to be set by the board and with evidence of continuing education under section 324.1122. Any licensee who practices during the time the license has expired shall be considered to be engaged in prohibited acts under section 324.1104 and shall be subject to the penalties provided for violation of the provisions of sections 324.1100 to 324.1148. If a person is otherwise eligible to renew the person’s certification or license, the person may renew an expired certification or license within two years from the date of expiration. To renew such expired certification or license, the person shall submit an application for renewal, pay the renewal fee, pay a delinquent renewal fee as established by the board, and present evidence, in the form prescribed by the board, of having completed the continuing education requirements for renewal specified in section 324.1122. Upon a finding of extenuating circumstances, the commission may waive the payment of the delinquent fee. If a person has failed to renew the person’s license within two years of its expiration, the license shall be void. A new photograph shall be submitted with the application for renewal only if the photograph on file with the board has been on file for more than two years.

2. A licensee shall at all times be legally responsible for the good conduct of each of the licensee’s employees or agents while engaged in the business of the licensee and the licensee is legally responsible for any acts committed by such licensee’s employees or agents which are in violation of sections 324.1100 to 324.1148. A person receiving an agency license shall directly manage the agency and employees.

3. A license issued under sections 324.1100 to 324.1148 shall not be assignable.