Fedwire Structured Address Linter

Lints a Fedwire or CHIPS ISO 20022 PostalAddress24 block against the Fedwire structured-address end state (network param selects fedwire or chips; rules verified byte-identical between the two networks at build time). Federal Reserve Financial Services rescheduled the Fedwire ISO 20022 structured-address release from 16 November 2026 to the November 2027 release on 27 August 2026; the exact date is to be announced, fully-unstructured addresses remain accepted on Fedwire until then, and the hybrid format becomes supported only with that release. CHIPS has no published dated structured-address mandate. At the end state Town Name and Country are always required, with up to 2 supplemental AdrLine elements of 70 chars each. Detects unstructured AdrLine-only addresses (prohibited), hybrid silent-fail duplication (AdrLine echoing structured field values, which causes STP rejection without a visible error code), and address structure type (FULLY_STRUCTURED, HYBRID, UNSTRUCTURED, EMPTY). For the SWIFT CBPR+ cross-border equivalent use lint_cbpr_structured_address (art-241).

Tool URL: https://ainumbers.co/chaingraph/art-349-fedwire-structured-address-linter.html