sepa_pruefkit — offline IBAN, BIC, Gläubiger-ID and USt-IdNr checks for German SEPA exports (Rust, zero dependencies)

Zero-dependency Rust crate that validates German and EU payment data offline — IBAN, BIC, SEPA Creditor Identifier, USt-IdNr, SEPA character set and field lengths, amounts in integer cents — and turns a CSV export into a German findings list with line numbers.

API

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cargo add sepa_pruefkit

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This page is the working piece. The full pack has everything below.

Catch the bad row before the bank returns it: 38 country IBAN lengths, 27 EU VAT formats, 8 modules, 34 unit tests and 7 doc tests, 0 dependencies — and a findings list in German that names

The checks here are the published, fixed ones: ISO 13616 (IBAN), ISO 9362 (BIC), ISO 7064 MOD 97-10, the EPC creditor-identifier rule, the German USt-IdNr check digit and the SEPA character set. The free public equivalents — a ban

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