It shall be unlawful for any person, either directly or indirectly, to conduct any business or to use in connection therewith any vehicle, premises, machine, device, employee, or agent in whole or in part, for which a license, or permit, is required by any law or ordinance of this City, without a license, or permit being first procured and kept in effect at all such times as required by this chapter or other law or ordinance of this City; nor shall the issuance of a license entitle or authorize the applicant to open or maintain any business contrary to the provisions of this chapter or law. (1985 Code, § 5.04.040)