Question juridique clé
Whether the appeal against the default-interest assessment remained live after the insurer reconsidered its decision under Article 53(3) LPGA.
Solution extraite
The dispute on the merits had become moot because the insurer withdrew the challenged calculation and was to issue a new, corrected decision subject to objection.
Motifs extraits
Because the insurer, before its response was sent, admitted the calculation error and reconsidered the decision in a manner consistent with the appellant's requests, the contested assessment lost its object.