Question juridique clé
Whether the appeal against the cantonal remand decision was admissible.
Solution extraite
The decision was an interlocutory decision, and the appeal was inadmissible because neither irreparable harm nor grounds for immediate final judgment were shown.
Motifs extraits
A remand for further investigations is an interim decision under Art. 93 BGG. The appellant did not demonstrate an irreparable disadvantage, and a possible immediate final decision would not save significant time or expense in a complex evidentiary proceeding.