Questione giuridica chiave
Whether the complaint against the cantonal authority's letter of 13 July 2007 was admissible.
Decisione estratta
The complaint was inadmissible because only decisions of the last cantonal instance may be challenged; the letter was not such a decision.
Motivazione estratta
Art. 80 Abs. 1 BGG requires a challenged decision of the last cantonal instance.