Questione giuridica chiave
Whether the assignment and surety deed constituted a sufficient title for provisional lifting of opposition.
Decisione estratta
No. The assignment deed itself showed that the surety's obligation might have been extinguished by the change of creditor, and no written acceptance of that change was proved.
Motivazione estratta
In a document-only procedure, a title must clearly establish the enforceable claim. Here the deed expressly stated that the surety could be affected by the change of creditor and invited acceptance of that change, so the surety obligation was not sufficiently certain.