Kernrechtsfrage
Whether the social insurance authorities were bound by the tax information and could rely on the 2002 tax figures.
Extrahierter Entscheid
Because no final tax assessment existed and the tax data itself showed a zero taxable income after offsetting, the social insurance authorities had to examine the objections independently.
Extrahierte Begründung
Binding effect under Art. 23(4) AHVV presupposes a final tax assessment; absent that, the contribution authorities and courts may review the tax factors themselves.