For all occupations, activities or businesses regulated in this code, no applicant for an initial or renewal license may engage in the activity, occupation or business regulated without issuance of the license as provided in this chapter unless otherwise provided herein. Renewal applications and fees must be received by the city prior to the expiration of the license, except where otherwise provided by this code, or else the applicant must proceed in the manner required of an applicant for a new or initial license. (1992 Code § 9-109)