Upon notice from the Finance Director, the applicant for the renewal of a license shall submit to the Finance Director, for his guidance in ascertaining the amount of the license tax to be paid by the applicant, a written statement upon the form to be provided by the Finance Director, under penalty of perjury, or sworn to before a person authorized to administer oath, setting forth such information concerning the applicant’s business during the preceding year as may be required by the Finance Director to enable him to ascertain the amount of the license tax to be paid by said applicant pursuant to the provisions of this chapter. The Finance Director may waive the requirements of this section in any case in which he feels the information he has is sufficient.