A regra tributária fora do seu código

import { Kalvi } from "kalvi-nfse";

const nfse = new Kalvi({ apiKey: process.env.KALVI_API_KEY });
const r = await nfse.classify({
  service_code: "04.01",
  tax_regime: "LUCRO_PRESUMIDO",
  municipality_code: "4113700",
  competence_date: "2026-11-10",
});
console.log(r.candidates[0].cClassTrib, r.candidates[0].cst, r.tables_version);

{
  "api_version": "1",
  "tables_version": "2026-11-03",
  "service_code": "04.01",
  "service_description": "Medicina e biomedicina.",
  "confidence": "high",
  "candidates": [
    {
      "cst": "200",
      "cClassTrib": "200029",
      "short_name": "Fornecimento dos serviços de saúde humana (Anexo III)",
      "confidence": "high",
      "reduction": { "ibs_pct": 60, "cbs_pct": 60, "article": "art. 130" },
      "rates_status": "applied",
      "rates": {
        "ibs_uf_pct": 0.1, "ibs_mun_pct": 0, "cbs_pct": 0.9,
        "effective": { "ibs_uf_pct": 0.04, "ibs_mun_pct": 0, "cbs_pct": 0.36 },
        "year": 2026, "test_phase": true
      }
    }
  ],
  "calendar": {
    "mandatory_from": "2026-10-01",
    "simples_mandatory_from": "2027-01-01",
    "mandatory_now": true
  }
}