{"L1_core": {"domain": "commercial", "category": "quotation", "entity_type": "document"}, "L5_metadata": {"updated": "2026-01-02", "version": "2.0"}, "L3_relations": {"responds_to": ["RFQ"], "may_generate": ["order"]}, "L2_commercial": {"states": ["draft", "sent", "accepted", "rejected", "expired"], "elements": {"lines": ["description", "quantity", "unit_price", "discounts", "line_total"], "header": ["quote_number", "issue_date", "validity_date", "payment_terms", "estimated_delivery"], "totals": ["subtotal", "estimated_taxes", "quote_total"], "parties": ["supplier", "potential_customer"]}, "function": "commercial_offer", "standards": ["UBL 2.1 Quotation", "Peppol BIS Ordering 3", "EDIFACT QUOTES"], "binding_types": ["binding_guaranteed", "estimate_subject_to_change"]}}