Question juridique clé
Whether the bankruptcy warning notification was null because it did not comply with Art. 64 SchKG
Solution extraite
The defective notification was not null because the debtor became aware of its content and the defect was cured by actual knowledge and receipt.
Motifs extraits
A vitiated service does not entail nullity when the addressee learned of the act; the appellant did not show arbitrariness in the cantonal court's application of this principle.