The license herein issued shall be valid for one year from date of issue; provided, however, that any changes which would alter the information contained in the license application, such as change of location, change of sponsor, change of time, change in age group or change in type of entertainment shall operate as a revocation of the license and any such changes shall require a new license to be issued before any further dances may be held. Further, conviction for any violation of the provisions of this chapter shall operate as an immediate revocation of the license.