What happens if an indoor shopping center has a tenant with a two story retail space, with two store front entrances opening up to the mall (one on each floor), but the store itself does not have an elevator? Essentially, if the patron wanted to go to the second floor he would have to exit the store, go to the mall elevator and enter the second floor from the mall level that has the second store front entrance.
If the shopping center has an elevator, and it is part of the accessible route to the second floor of the retail store then the tenant does not have to provide a second accessible route inside their space.
Of course, this would meet the "minimum" requirement to provide "one" accessible route from inside the building, but it might not prevent a patron from compliaining (i.e.:sue). In our opinion, this is not best practice for a retailer, but the ADA and TAS does not require more than the "minimum".