Questão jurídica principal
Whether the federal appeal against the interim decision was admissible
Decisão extraída
The appeal was admissible as a public-law appeal against an incidental decision causing irreparable harm, but only constitutional rights could be invoked.
Fundamentação extraída
The order made the cessation obligation immediately enforceable and could cause irreparable prejudice; under Art. 98 LTF review was limited to constitutional grievances with strict substantiation.