No person shall conduct, operate, transact, engage in or carry on any business within the city without first applying for and obtaining a license therefor from the city, as herein provided, and if such application is granted, shall pay therefor as hereinafter provided. Except that the requirements of this section shall not apply to persons or entities with no base of operations in Fergus County who exclusively deal with and contact licensed businesses only by salesmen, telephone or mail. (Ord. 1700, 12-6-2004)