1. A creditor may claim complementary compensation to be added to the delay interest if he proves that the damages in excess of said interest is caused by the debtor's deception or serious error. 2. Where the creditor, when claiming this right, causes, in bad faith, the prolongation of the dispute period, the court may reduce the interest or it may not judge any interest at all for the period of the unjustified prolongation.
Interpretation and application must be checked against the official text and current version.