{
  "business_id": "9f36d708-4c91-4e2a-92c8-7a75f418b603",
  "irn": "INV00000001-A1B2C3D4-20260906",
  "issue_date": "2026-09-06",
  "due_date": "2026-10-06",
  "invoice_type_code": "381",
  "invoice_kind": "B2B",
  "payment_status": "PENDING",
  "note": "Fictional sample prepared solely for NRS system-integration review.",
  "tax_point_date": "2026-09-06",
  "document_currency_code": "NGN",
  "tax_currency_code": "NGN",
  "buyer_reference": "PO-DEMO-2026-0001",
  "order_reference": "PO-DEMO-2026-0001",
  "accounting_supplier_party": {
    "party_name": "Acacia Systems Nigeria Limited",
    "tin": "10000001-0001",
    "email": "billing@acacia-systems.example",
    "telephone": "+2348010000001",
    "business_description": "Business software implementation and support services",
    "postal_address": {
      "street_name": "10 Sample Technology Avenue",
      "city_name": "Ikeja",
      "postal_zone": "100001",
      "lga": "NG-LA-IKE",
      "state": "NG-LA",
      "country": "NG"
    }
  },
  "accounting_customer_party": {
    "party_name": "Meridian Trade Services Limited",
    "tin": "10000002-0001",
    "email": "accounts@meridian-trade.example",
    "telephone": "+2348020000002",
    "business_description": "Fictional wholesale and distribution business",
    "postal_address": {
      "street_name": "25 Demonstration Commerce Road",
      "city_name": "Lagos",
      "postal_zone": "101233",
      "lga": "NG-LA-LMA",
      "state": "NG-LA",
      "country": "NG"
    }
  },
  "payment_means": [
    {
      "payment_means_code": "30",
      "payment_due_date": "2026-10-06"
    }
  ],
  "tax_total": [
    {
      "tax_amount": 22500.00,
      "tax_subtotal": [
        {
          "taxable_amount": 300000.00,
          "tax_amount": 22500.00,
          "tax_category": {
            "id": "STANDARD_VAT",
            "percent": 7.5
          }
        }
      ]
    }
  ],
  "legal_monetary_total": {
    "line_extension_amount": 300000.00,
    "tax_exclusive_amount": 300000.00,
    "tax_inclusive_amount": 322500.00,
    "payable_amount": 322500.00
  },
  "invoice_line": [
    {
      "isic_code": "6201",
      "service_category": "Computer programming activities",
      "invoiced_quantity": 2,
      "line_extension_amount": 300000.00,
      "item": {
        "name": "Software integration service",
        "description": "Configuration and integration of a fictional business software environment",
        "sellers_item_identification": "SVC-DEMO-001"
      },
      "price": {
        "price_amount": 150000.00,
        "base_quantity": 1,
        "price_unit": "EA"
      }
    }
  ]
}