The attachment itself as Base64-encoded binary content, with the mandatory attributes mimeCode and filename. Allowed MIME types include application/pdf, image/png, image/jpeg and the spreadsheet formats CSV/XLSX/ODS.
cac:AdditionalDocumentReference/cac:Attachment/cbc:EmbeddedDocumentBinaryObjectram:AdditionalReferencedDocument/ram:AttachmentBinaryObject Part of BG-24 Additional supporting documents
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Semantics: EN 16931-1. Simplified explanation in our own words — the norm is authoritative.