If "Payment means type code" (BT-81) contains a code for direct debit (59), "DIRECT DEBIT" (BG-19) shall be provided.
DE-R-025-1pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument/cac:PaymentMeans[cbc:PaymentMeansCode = 59][$supplierCountryIsDE and $customerCountryIsDE]cac:PaymentMandate