bank_membership: blkb, vskb, member
This data as json
| bank_id | organisation_id | role | status | joined | exited | source_url | source_filename | extracted_at | confidence | note |
|---|---|---|---|---|---|---|---|---|---|---|
| blkb | vskb | member | active | https://vskb.ch/kantonalbanken/liste-kantonalbanken | 2026-07-03 | authoritative | Derived from bank_type='cantonal_bank' (all 24 cantonals are VSKB members) |