A domestic insurer shall file with the director a complete affidavit of biographical information not later than 30 days after the appointment of an officer or director of the insurer. If requested by the director, a foreign insurer shall file with the director an affidavit of biographical information for the appointment of an officer or director of the insurer. A filing under this section must be on a form approved by the director. A filing is not required if a biographical affidavit of the officer or director has been submitted to the director within one year before the date of appointment. A biographical affidavit filed under this section is confidential and not subject to public inspection.