{
  "type": "object",
  "additionalProperties": false,
  "required": ["ISO4217Code", "title", "usage"],
  "properties": {
    "alternativeSigns": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 0,
      "uniqueItems": true
    },
    "ISO4217Code": {
      "type": "string",
      "pattern": "^[A-Z]{3}$"
    },
    "ISO4217Number": {
      "type": "string",
      "pattern": "^[0-9]{3}$"
    },
    "sign": {
      "type": "string"
    },
    "subunits": {
      "type": "integer",
      "minimum": 0
    },
    "roundingStep": {
      "type": "float",
      "minimum": 0
    },
    "title": {
      "type": "string"
    },
    "usage": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ISO8601From": {
            "type": "string"
          },
          "ISO8601To": {
            "type": "string"
          },
          "ISO3166Code": {
            "type": "string",
            "pattern": "^[A-Z]{2}$"
          }
        }
      },
      "minItems": 0,
      "uniqueItems": true
    }
  }
}