{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "invoiceId": {
      "type": "string",
      "description": "cbc:ID invoice number"
    },
    "issueDate": {
      "type": "string",
      "format": "date",
      "description": "invoice issue date YYYY-MM-DD"
    },
    "dueDate": {
      "type": "string",
      "format": "date",
      "description": "payment due date YYYY-MM-DD"
    },
    "invoiceTypeCode": {
      "type": "string",
      "description": "invoice type code, e.g. 380"
    },
    "documentCurrencyCode": {
      "type": "string",
      "description": "document currency code, e.g. EUR"
    },
    "taxCurrencyCode": {
      "type": "string",
      "description": "tax currency code, e.g. SEK"
    },
    "buyerReference": {
      "type": "string",
      "description": "buyer reference"
    },
    "invoicePeriodStartDate": {
      "type": "string",
      "format": "date",
      "description": "invoice period start YYYY-MM-DD"
    },
    "invoicePeriodEndDate": {
      "type": "string",
      "format": "date",
      "description": "invoice period end YYYY-MM-DD"
    },
    "supplierName": {
      "type": "string",
      "description": "supplier party/trading name"
    },
    "supplierRegistrationName": {
      "type": "string",
      "description": "supplier legal registration name"
    },
    "supplierVatId": {
      "type": "string",
      "description": "supplier VAT company id"
    },
    "supplierCountryCode": {
      "type": "string",
      "description": "supplier country code"
    },
    "customerName": {
      "type": "string",
      "description": "customer party/trading name"
    },
    "customerRegistrationName": {
      "type": "string",
      "description": "customer legal registration name"
    },
    "customerVatId": {
      "type": "string",
      "description": "customer VAT company id"
    },
    "customerCountryCode": {
      "type": "string",
      "description": "customer country code"
    },
    "paymentMeansCode": {
      "type": "string",
      "description": "payment means code, e.g. 30"
    },
    "payeeIban": {
      "type": "string",
      "description": "payee financial account id (IBAN)"
    },
    "payeeBic": {
      "type": "string",
      "description": "payee financial institution branch id (BIC)"
    },
    "lineExtensionAmount": {
      "type": "number",
      "description": "LegalMonetaryTotal line extension amount"
    },
    "taxExclusiveAmount": {
      "type": "number",
      "description": "tax exclusive amount"
    },
    "taxInclusiveAmount": {
      "type": "number",
      "description": "tax inclusive amount"
    },
    "allowanceTotalAmount": {
      "type": "number",
      "description": "total allowances amount"
    },
    "chargeTotalAmount": {
      "type": "number",
      "description": "total charges amount"
    },
    "prepaidAmount": {
      "type": "number",
      "description": "prepaid amount"
    },
    "payableAmount": {
      "type": "number",
      "description": "amount due for payment"
    },
    "taxTotalAmount": {
      "type": "number",
      "description": "document tax total amount in document currency"
    },
    "allowanceCharges": {
      "type": "array",
      "description": "document-level allowance/charge entries",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "isCharge": {
            "type": "boolean",
            "description": "true if a charge, false if an allowance/discount"
          },
          "reason": {
            "type": "string",
            "description": "allowance or charge reason text"
          },
          "reasonCode": {
            "type": "string",
            "description": "allowance or charge reason code"
          },
          "amount": {
            "type": "number",
            "description": "allowance/charge amount"
          },
          "baseAmount": {
            "type": [
              "number",
              "null"
            ],
            "description": "base amount, null if not present"
          },
          "taxCategoryPercent": {
            "type": [
              "number",
              "null"
            ],
            "description": "applicable tax category percent, null if absent"
          }
        },
        "required": [
          "isCharge",
          "amount"
        ]
      }
    },
    "invoiceLines": {
      "type": "array",
      "description": "one entry per cac:InvoiceLine",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "lineId": {
            "type": "string",
            "description": "invoice line id"
          },
          "invoicedQuantity": {
            "type": "number",
            "description": "invoiced quantity"
          },
          "unitCode": {
            "type": "string",
            "description": "quantity unit code, e.g. C62"
          },
          "lineExtensionAmount": {
            "type": "number",
            "description": "line net amount"
          },
          "itemName": {
            "type": "string",
            "description": "item name"
          },
          "itemDescription": {
            "type": "string",
            "description": "item description"
          },
          "sellersItemId": {
            "type": "string",
            "description": "seller's item identification id"
          },
          "priceAmount": {
            "type": "number",
            "description": "item unit price"
          },
          "taxCategoryId": {
            "type": "string",
            "description": "classified tax category id, e.g. S or E"
          },
          "taxCategoryPercent": {
            "type": "number",
            "description": "classified tax category VAT percent"
          }
        },
        "required": [
          "lineId",
          "invoicedQuantity",
          "lineExtensionAmount",
          "priceAmount"
        ]
      }
    }
  },
  "required": [
    "invoiceId",
    "issueDate",
    "documentCurrencyCode",
    "payableAmount",
    "invoiceLines"
  ]
}