Question juridique clé
Whether the constitutional complaint met the substantiation requirements of Arts. 116, 117 and 106(2) BGG.
Solution extraite
The complaint did not sufficiently and specifically show, by reference to the cantonal court's reasoning, why the decision was unconstitutional.
Motifs extraits
The appellant merely repeated his criticism of the cost advance order and did not engage with the appellate court's reasons; therefore the formal reasoning requirements were not satisfied.