A. The issuing of a license pursuant to this chapter or the collection of fee shall not permit any person to engage in any unlawful business.
B. The fees levied and fixed by this chapter shall be in addition to the general ad valorem taxes now or hereafter levied pursuant to law.
C. All ordinances of the city in force on the effective date of the ordinance codified in this chapter pertaining to or covering any business, pursuit or occupation shall remain in full force and effect and in the event of a conflict or duplication of a license fee, then the other ordinance shall take precedence over the provisions of this chapter to the end that there will be no duplication of license fees for the same business, occupation, profession or pursuit. Zoning ordinance fees are in addition to business license fees.