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Rule 237 fires on the BGNR-to-BGNR path too, so the round-2 reading of rule 020 was wrong: it only relaxes the Ctry element, not the address. Cdtr now always carries PstlAdr (TwnNm from the payee_city snapshot when known, Ctry SE), and the preview warns when the supplier register lacks a city, since rules 237 + 222 together make a town effectively mandatory at Swedbank. Co-authored-by: Jakob Wennberg <311770904+jakobwennberg-oss@users.noreply.github.com> Co-authored-by: Claude Fable 5 <noreply@anthropic.com>