Questão jurídica principal
Whether the public law appeal was admissible despite the subsidiarity of that remedy.
Decisão extraída
The appeal was admissible only within the limits stated by the Federal Tribunal; the burden-of-proof complaint was inadmissible because it belonged to a reform appeal.
Fundamentação extraída
A violation of the burden of proof under federal law is to be raised by reform appeal when available; because that remedy was open, the public law appeal was subsidiary and could not be used for that complaint.