Kernrechtsfrage
Whether the mainlevée judge could assess the validity of the debtor's opposition and declare it inadmissible.
Extrahierter Entscheid
No. The validity of an opposition is a matter for the enforcement supervisory authorities, not the mainlevée judge.
Extrahierte Begründung
Under the LP, the judge's role in enforcement is strictly limited. He must examine the debt acknowledgment and related requirements, but he cannot cure or review defects in the enforcement procedure that must be raised by complaint to the supervisory authority. The cantonal court therefore exceeded its powers by reviewing whether the opposition was valid.