{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "previousCompanyNames",
  "properties": {
    "name": {
      "description": "The previous company name",
      "type": "string"
    },
    "effective_from": {
      "description": "The date from which the company name was effective.",
      "type": "string",
      "format": "date"
    },
    "ceased_on": {
      "description": "The date on which the company name ceased.",
      "type": "string",
      "format": "date"
    }
  },
  "required": [
    "name",
    "effective_from",
    "ceased_on"
  ]
}