626.201  Investigation.--The department may propound any reasonable interrogatories in addition to those contained in the application, to any applicant for license or appointment, or on any renewal, reinstatement, or continuation thereof, relating to his or her qualifications, residence, prospective place of business, and any other matter which, in the opinion of the department, is deemed necessary or advisable for the protection of the public and to ascertain the applicant's qualifications. The department may, upon completion of the application, make such further investigation as it may deem advisable of the applicant's character, experience, background, and fitness for the license or appointment. Such an inquiry or investigation shall be in addition to any examination required to be taken by the applicant as hereinafter in this chapter provided.