I don't think that the names here clearly indicate which value one should use.  Better names would be "request_use_for_single_location" and "use_for_single_location".  Going with this would mean that a bunch of the places in this file that switched to local would not have to switch, but it would require changing the name of the current field, and I'm guessing that's unacceptable.  So I would prefer that use_for_single_location_local was renamed to something like "really_use_for_single_location".