If, during the period for which the license shall be issued, and while the solicitation, canvassing or selling is taking place, any of the facts set forth on the application for such license are changed in any material way, such changes shall be filed with the Mayor within one day after such changes have taken place. Failure to do so on the part of the applicant shall immediately void the aforesaid license and no further license shall be issued under the original application so filed. (Ord. 1073. Passed 11-14-68.)