In all cases, an applicant for the renewal of a previously issued license under the provisions of this chapter shall submit to the Collector, for his or her guidance in ascertaining the amount of the license tax to be paid by the applicant, a sworn statement, upon a form to be provided by the Collector, setting forth such information concerning the applicant’s business during the preceding year as may be required by the Collector to enable him or her to ascertain the amount of the license tax to be paid by such applicant.
(`78 Code, § 5.02.090.)