Kernrechtsfrage
Whether the respondent's written statement constituted a valid debt acknowledgment under Art. 17 CO
Extrahierter Entscheid
The 9 July 1983 statement was a valid debt acknowledgment for USD 750,800.65; it shifted the burden of proof to the debtor, who failed to prove the alleged additional claims or invalidity of the underlying relationship.
Extrahierte Begründung
A debt acknowledgment is a unilateral act that reverses the burden of proof. The appellant attacked only the factual appraisal, which is not reviewable in reform proceedings.