Objeto Tax return

{
  "id": "taxret_nMNejK7BT8oGbvO4",
  "object": "tax_return",
  "currency": "CLP",
  "document_number": "12345",
  "fiscal_year": "2021",
  "institution_id": "cl_fiscal_sii",
	"institution_tax_return": {
    "due_amount": 0,
    "income": {
      "fees": 13123,
      "fees_with_retention": 234212,
      "fees_without_retention": 512334,
      "salary": 2313123,
      "withheld_fees": 42341,
    },
    "refund_account": {
      "holder_id": "117056856",
      "holder_name": "Erlich Bachman",
      "institution": {
        "id": "cl_banco_de_chile",
        "country": "cl",
        "name": "Banco de Chile"
      },
      "number": "123123123"
  	},
    "refund_amount": 1000,
  },
  "interval_unit": "annual",
  "period": "2021",
  "taxpayer": {
    "id": "777777777",
    "institution_tax_payer": {
      "activities": [
        {
          "category": "1",
          "code": "0123",
          "description": "Servicios de tecnología",
          "iva": false,
          "started_at": "2020-04-16T04:00:00.000Z"
        }
      ],
      "addresses": [
        {
          "apartment": null,
          "city": "Santiago",
          "code": "84345463",
          "commune": "PROVIDENCIA",
          "number": "2461",
          "region": "REGION METROPOLITANA",
          "street": "LOS CONQUISTADORES",
          "type": "DOMICILIO"
        }
      ],
      "authorized_documents": [
        {
          "authorized_at": "2021-11-30T15:57:38.584Z",
          "code": "33",
          "description": "FACTURA ELECTRONICA",
          "max_documents": 414
        }
      ],
      "email": "hello@fintoc.com",
      "phone": "999999999"
    },
    "name": "Fintoc SpA"
  }
}