Unicode e BULK INSERT

BULK INSERT #tempBusinessUnits
FROM 'U:\BU_List.txt'
WITH 
            (FIRSTROW = 2,
            FIELDTERMINATOR = '\t', 
            ROWTERMINATOR = '\n',
            DATAFILETYPE ='widechar')

CREATE TABLE #tempBusinessUnits 
      ([Bua_BuCode] varchar(5),
      [Bua_BuType] varchar(3),
      [Bua_BuaNo] varchar(3),
      [Bua_AddrType] nchar(50),
      [Bua_FreeTxt] ntext,
      [Bua_Street] nchar(50),
      [Bua_ZipCode] nchar(50),
      [Bua_CityName] nchar(50),
      [Bua_CtyCode] nchar(50),
      [Bua_TrzCode] nchar(50),
      [Bua_StateName] nchar(50),
      [Bua_Name] nchar(50),
      [Bua_NameAdd] nchar(50))