For det tilfælde, at BB ikke kan opfylde sin tilbagebetalingsforpligtelse, har delstaten Burgenland stillet en uigenkaldelig garanti over for Bank Austria AG gældende for hvert af årene fra 2004 til 2010, og ifølge hvilken delstaten Burgenland forpligter sig til at dække ethvert udestående beløb over for Bank Austria AG.
In the event of BB being unable to meet its better-fortune obligation, the Province of Burgenland has assumed an irrevocable deficiency guarantee towards Bank Austria AG which is effective for each year in the period 2004-10 and under which the Province of Burgenland must cover any shortfall towards Bank Austria AG.