Supreme Court reverses appeal dismissal for failure to prove lack of fault, requiring evidence of excusing circumstances under Civil Procedure Code.

The Supreme Court of Poland revoked the appellate court's dismissal of the plaintiff's appeal due to a missed deadline. The lower court rejected the request to extend the time limit because medical certificates only showed chronic illness without proving the illness prevented timely filing. The Supreme Court held that the appellate court erred by not conducting a full evidentiary assessment to establish whether the delay was excused under the relevant statutory provision.