The city clerk shall issue a license required by this code or other ordinance when the applicant has filed a proper application therefor, paid the required tax or fee, and complied with all other requirements prescribed for obtaining such license. Each such license so issued shall be signed by the mayor and city clerk and the corporate seal of the city shall be affixed thereto. Such license shall be in suitable form and express the purpose for which it is issued. (1990 Code § 9-107)