Every person who shall fail to obtain a license and pay the license fee therefor, as provided by this article, before beginning or becoming engaged in any of the businesses set out in section 13-27 of this chapter; and every person who shall fail to renew his license for any such business and pay the license fee therefor when such license fee is due, as provided by this article, shall, after notice by United States mail or by publication in a newspaper of general circulation in the city, pay, for each month that such license fee remains unpaid, a fee of fifteen (15) per cent of the business license fee provided in this article for such business.

(Code 1964, § 11.150)