Under the IFRS international accounting standards applied by WestLB, the bank has to use the mark-to-market method, which means that a major part of the assets held by the bank has regularly to be valued afresh. As a result of the subprime crisis, demand for structured investment portfolios collapsed.
Conformément aux normes comptables internationales (IFRS) appliquées par la WestLB, la banque est tenue d’utiliser la méthode de la valeur de marché et, partant, de réévaluer régulièrement une grande partie de ses actifs.