[QUESTION]

[basementmedia2]

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Your question
Hi, a customer gets the following error messages:

Eine Rechnung (INVOICE) muss Angaben zu „PAYMENT INSTRUCTIONS“ (BG-16) enthalten.
und
Das Element „Buyer reference“ (BT-10) muss übermittelt werden.

What are the correct functions in your library to fullfil this requirements?

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[horstoeko]

Hi @basementmedia2

1. see method setDocumentBuyerReference in ZugferdDocumentBuilder - please read the Method-Docs
2. see metods addDocumentPaymentMean
   2a.) addDocumentPaymentMeanToCreditTransfer
   2b) addDocumentPaymentMeanToCreditTransferNonSepa
   2c) addDocumentPaymentMeanToDirectDebit
   2d) addDocumentPaymentMeanToDirectDebitNonSepa
   2e) addDocumentPaymentMeanToPaymentCard

Please read also the official docs since this is not a Support-Forum for the ZUGFeRD-Format

Kind regards