Questão jurídica principal
Whether the appeal against the interim decision on security for costs was admissible under Art. 93 BGG.
Decisão extraída
The appeal was admissible because the contested order could cause a non-remediable legal disadvantage if the claimant’s costs claim later proved unrecoverable.
Fundamentação extraída
Security for costs serves to avoid insolvency risk; such a risk may constitute a legal disadvantage under Art. 93(1)(a) BGG.