Kernrechtsfrage
Whether a prisoner doing external industrial work must be treated as gainfully employed for AHV contribution purposes.
Extrahierter Entscheid
Prisoners are not automatically non-employed; it must be examined case by case whether the work has sufficient economic value to at least cover maintenance costs. The mere absence of a direct contract and payment only as peculium is not decisive.
Extrahierte Begründung
The earlier Federal Insurance Court case remains persuasive: the decisive criterion is whether a person performs economically valuable work in an employment-like position for another. The cantonal guideline must be read consistently with that principle. Because the value of the appellant's work was not established, the office's blanket classification could not stand.