Questione giuridica chiave
Whether the insured was entitled to a higher helplessness allowance retroactively before the month of the request.
Decisione estratta
For a self-initiated revision, the increase takes effect at the earliest from the month in which the request is filed; no retroactive award was available here.
Motivazione estratta
Art. 88bis para. 1 let. a RAI governs the temporal effects of revisions in disability insurance and prevails over the retroactive payment rule invoked by the appellant.