No retailer shall sell tobacco products within the corporate limits of the city without having obtained a license pursuant to sections 3.500 to 3.515 of this code for each location in which tobacco products are sold and where persons under the age of 21 years may have access to tobacco products. Except as these sections specifically provide to the contrary, the procedures and requirements of sections 3.015 to 3.075 of this code apply to the activities authorized by sections 3.500 to 3.515.