BR-DE-15 is not a Schematron mystery
If you generate XRechnung and KoSIT dies on BR-DE-15, it is not a broken validator. The buyer reference (BT-10) is missing. For German public buyers…
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If you generate XRechnung and KoSIT dies on BR-DE-15, it is not a broken validator. The buyer reference (BT-10) is missing. For German public buyers…