Implement IG QR-bill version 2.0

Description

The QR-bill implementation guidelines have been revised to version 2.0 (the previous version was 1.0)
https://www.paymentstandards.ch/dam/downloads/ig-qr-bill-en.pdf

This story is about to implement the changes in the qrinvoice library.

Assignee

Claude Gex

Reporter

Claude Gex

Labels

Fix versions

Priority

Medium
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