Since 1999 it has been a part of the Lublin Voivodeship ; it was previously a part of the ZamoÅ Ä Voivodeship ( 1975 â `` 1998 ) . Since 1999 it has been situated in Lublin Voivodeship ; it was previously in ZamoÅ Ä Voivodeship ( 1975 â `` 1998 ) .