Key legal question
Whether the cantonal remand judgment was immediately appealable before the Federal Tribunal.
Extracted holding
No. The remand order was an incidental decision under Art. 93 LTF and did not meet the conditions for immediate appeal.
Extracted reasoning
A remand to the administration for additional instruction normally causes no irreparable harm and is not equivalent to a long and costly evidence procedure. The dispute about the reduction of invalidity income did not constitute an exception. Any arguments can be raised later against the final decision.