Question juridique clé
Whether the respondent's appeal declaration was inadmissible for insufficient reasoning.
Solution extraite
The objection was raised too late because X. expressly waived a motion of non-entry despite the possibility under Article 400(3) CPP.
Motifs extraits
Relying on the principle of good faith in procedure, the court held that X. was barred from invoking this ground before the Federal Supreme Court.