Simple tax

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "string"
    },
    "billing_country_code": {
      "type": "string"
    },
    "buyer_credit_card_prefix": {
      "type": "string"
    },
    "buyer_tax_number": {
      "type": "string"
    },
    "currency_code": {
      "type": "string"
    },
    "force_country_code": {
      "type": "string"
    },
    "invoice_address_city": {
      "type": "string"
    },
    "invoice_address_postal_code": {
      "type": "string"
    },
    "invoice_address_region": {
      "type": "string"
    },
    "order_date": {
      "type": "string"
    },
    "product_type": {
      "type": "string"
    },
    "quantity": {
      "type": "string"
    },
    "tax_deducted": {
      "type": "string"
    },
    "total_amount": {
      "type": "string"
    },
    "unit_price": {
      "type": "string"
    }
  },
  "required": [
    "currency_code"
  ],
  "additionalProperties": false
}