Question juridique clé
Whether the supplemental filing of 27 September 2010 could be considered despite expiry of the appeal period.
Solution extraite
It could not be considered insofar as it amounted to an appeal supplement, because the deadline expired on 17 September 2010.
Motifs extraits
The appeal period under Arts. 44-48 in conjunction with Art. 100(1) BGG had already lapsed.