|tag added by imports from official US sources, details legal type of administrative boundary|
|Used on these elements|
|Status: in use|
|Tools for this tag|
|LSAD||Description||Associated Geographic Entity|
|21||borough (suffix)||County Subdivision, Economic Census Place|
|25||city (suffix)||Consolidated City, County or Equivalent Feature, County Subdivision, Economic Census Place, Incorporated Place|
|43||town (suffix)||County Subdivision, Economic Census Place, Incorporated Place|
|47||village (suffix)||County Subdivision, Economic Census Place, Incorporated Place|
|57||CDP (suffix)||Census Designated Place, Economic Census Place|
It is unclear whatever this tag is actually useful for some purpose.
In http://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2008/TGRSHP08.pdf it is defined as "Current legal/statistical area description code for subbarrio" and restricted to be string of (maximum?) length 2.