Questão jurídica principal
Whether the appeal against the remand decision was admissible under Art. 93 BGG.
Decisão extraída
The remand decision caused a legally irreparable disadvantage because it constrained the administration's assessment by binding material instructions.
Fundamentação extraída
A remand can be challenged immediately when the lower court's instructions materially limit the authority's discretion and cannot later be corrected by a favorable final decision.