Whether the Vaud Social Insurance Court had territorial jurisdiction over the pension dispute.
No. The relevant forum lay in Valais because the deceased employee worked for a company seated in Valais and the respondent also had its seat there.
Under Art. 73 para. 3 LPP, venue lies at the defendant's Swiss seat or domicile, or at the place of the undertaking where the insured was employed. On the claimant's own account, both connecting factors pointed to Valais, so Vaud lacked jurisdiction ratione loci.