IBAN not accepted about swissqrbill HOT 5 CLOSED

SwissQRBill uses the npm module iban to verify the provided IBAN.

Unlike the web page you have mentioned, the module verifies not only if the checksum is valid, but also whether the structure of the IBAN matches country specific specifications. Based on the source code of the iban module, letters in the account number should be supported. Therefore I think the error is more likely to be found in these structure checks.
Since only IBAN numbers from Switzerland and Lichtenstein are allowed, and both have the same structure, this additional checks could be simplified.

I have made a branch, which removes the iban dependency and implements the simplified IBAN checks directly into the library. You can install it using
npm i https://github.com/schoero/SwissQRBill.git#Fix-#215-iban-validation

Please let me know if your IBAN passes the simplified checks.

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I've just tested this, but I'm still getting an error:

/usr/local/bin/node ./RechnungMedlist.js
(node:89421) UnhandledPromiseRejectionWarning: Error: Creditor Reference requires the use of a conventional IBAN.
    at PDF._validateData (.../node_modules/swissqrbill/lib/swissqrbill.js:416:27)
    at new PDF (.../node_modules/swissqrbill/lib/swissqrbill.js:47:14)
    at new PDF (.../node_modules/swissqrbill/lib/node.js:42:13)
    at .../my.js:270:21
    at new Promise (<anonymous>)
    at generateQrInovice (.../my.js:269:12)
    at /my.js:317:17

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Thank you for testing.
I just realized that I messed up the error messages there. The correct error message would be QR-Reference requires the use of a QR-IBAN (and vice versa).

I'm guessing you are trying to use a 27-digit QR-Reference in conjunction with your normal IBAN?

This is not allowed according the specifications (page 32, "Customer references"). If you want to continue using a 27-digit reference number (as in the orange ISR), you must request a QR-IBAN from your bank.

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Thanks for the hint. I did not know that. I will check this with my bank.

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I'm going to close this issue for now.
I have released v2.3.1 on npm including the changes regarding the iban checks and the wrong error messages.

If you need any further assistance, feel free to comment or create a new issue.

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