{
  "version": 1,
  "external_id": "ERP-DESC-000123",
  "document_type": "E31",
  "issue_date": "2026-10-01",
  "currency": "DOP",
  "income_type": "01",
  "buyer": {
    "tax_id": "131000002",
    "legal_name": "Cliente Sintetico SRL"
  },
  "payment": {
    "type": "cash"
  },
  "items": [
    {
      "description": "Servicio de ejemplo",
      "kind": "service",
      "quantity": "1",
      "unit_price": "100.00",
      "tax_treatment": "itbis_18",
      "discount": {
        "method": "percentage",
        "value": "10.00"
      }
    }
  ],
  "expected_total": "106.20"
}