Key legal question
Whether the cantonal court's refusal to hear the appeal for lateness violated the ban on excessive formalism under Article 29(1) BV.
Extracted holding
Yes. By not warning the unrepresented appellant and not forwarding the filing promptly, the authorities let a curable defect become incurable and then relied on lateness.
Extracted reasoning
The filing was identifiable as a remedy and was handed in before the deadline expired. The district court should have informed the unrepresented party and either enabled cure or forwarded the filing immediately; waiting until the defect could no longer be cured was excessively formalistic.