{"L1_core": {"domain": "commercial", "category": "order", "entity_type": "document"}, "L5_metadata": {"updated": "2026-01-02", "version": "2.0"}, "L3_relations": {"generates": ["delivery_note", "invoice"], "references": ["quotation", "contract"]}, "L2_commercial": {"elements": {"lines": ["product_ref", "description", "quantity", "unit_price", "line_delivery_date"], "header": ["order_number", "issue_date", "delivery_date", "payment_terms", "incoterms"], "parties": ["buyer", "seller", "ship_to", "bill_to"]}, "standards": ["UBL 2.1 Order", "Peppol BIS Order 3", "EDIFACT ORDERS"], "order_types": {"by_nature": ["standard", "blanket_open", "rush", "sample"], "by_origin": ["sales_order_SO", "purchase_order_PO"]}, "document_flow": ["order", "confirmation", "delivery_note", "invoice"], "incoterms_2020": ["EXW", "FCA", "CPT", "CIP", "DAP", "DPU", "DDP", "FAS", "FOB", "CFR", "CIF"]}}