All licenses issued under this article shall expire at the close of the license period, but new licenses for the succeeding license period shall be issued upon written application therefor, duly verified by affidavit, stating that the facts in the original application are unchanged, and upon payment of the fee as hereinafter provided, without the filing of further statements or the furnishing of any further information unless specifically requested by the board: Provided, however, That any such license issued to a corporation shall expire thirty (30) days after any change in the officers of such corporation, unless the name and address of each such new officer of such corporation shall, within that period, be reported to the board by certificate, duly verified. Applications for renewals must be made not less than thirty (30) nor more than sixty (60) days before the expiration of the license period. All applications for renewal received otherwise shall be treated as original applications.