{
  "invoice_reference": "DEMO-CI-830",
  "invoice_date": "2026-08-14",
  "seller": "Example Export Manufacturing",
  "buyer": "Example Import Supply",
  "shipment_references": [
    {
      "label": "Purchase order",
      "value": "DEMO-PO-337"
    }
  ],
  "currency": "USD",
  "merchandise_rows": [
    {
      "description": "Unprinted paper storage boxes",
      "quantity": 500,
      "unit": "pieces",
      "unit_value": 4,
      "line_value": 2000,
      "stated_origin": "Canada"
    }
  ],
  "invoice_total": 2000
}