Question juridique clé
Whether the complaint met the 10-day deadline and the requirement of a reasoned submission.
Solution extraite
The first submission was timely but lacked any reasoning; the supplement contained reasons but was filed after expiry of the non-extendable deadline.
Motifs extraits
Complaints under Art. 72 ff. BGG against cantonal SchKG supervisory decisions must be filed within 10 days and must contain reasons; otherwise the court will not enter into the matter.