Where is your restaurant allowed?
Elk River classifies two types of restaurants: 

Class I (sit down type) Restaurants

Restaurant, class I means a restaurant where food served to the customer is to be consumed by the customer while seated on the premises. Class I restaurants are of a traditional or sit-down variety restaurant where food is served to a customer at a table while seated, as distinguished from the fast food or convenience variety. Carryout food sales are permitted if incidental to a sit-down restaurant.

Class II (fast food/drive-thru type)Restaurants

Restaurant, class II means a restaurant where a majority of customers order and are served their food at a counter in packages prepared to leave the premises, or able to be taken to a table, counter, automobile, or off the premises to be consumed; or a drive-in where most customers consume their food in an automobile regardless of how it is served.