If the application for renewal of any license provided for under this chapter is not filed prior to the expiration date as established by rule by the director, an additional fee of ten percent of the cost of the license shall be assessed and added to the original fee and shall be paid by the applicant before the renewal license shall be issued: PROVIDED, That such additional fee shall not be charged if the applicant furnishes an affidavit certifying that he or she has not operated a food processing plant or processed foods subsequent to the expiration of his or her license.