---
title: "NFS-e Nacional API changes, deprecations and deadlines | Harbyn"
description: "NFS-e Nacional: 0 upcoming deadlines and 3 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/nfse-nacional"
last-updated: 2026-10-25
---

# NFS-e Nacional: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/nfse-nacional>.

Fiscal. 0 upcoming deadlines, 3 recorded changes. Every entry cites the NFS-e Nacional page we read it from.

## What we read

The NFS-e Nacional pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://www.gov.br/nfse/pt-br/biblioteca/documentacao-tecnica/atualizacoes-e-implantacoes>
- **Changelog**: <https://www.gov.br/nfse/pt-br/biblioteca/documentacao-tecnica/rtc>

## What the scanner looks for

How `harbyn scan` recognises NFS-e Nacional in a repository, on your machine. Nothing leaves it.

- **API hosts**: `sefin.nfse.gov.br`, `adn.nfse.gov.br`

## Upcoming deadlines

No upcoming NFS-e Nacional deadline in the feed right now.

## Change history

Newest first, by the date NFS-e Nacional announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 20, 2026, Behavior change: [vAjusteBC group added in restricted production](https://harbyn.com/changes/nfse-nacional/2026-10-20-criacao-do-grupo-vajustebc.md)
- Oct 20, 2026, Behavior change: [CST and cClassTrib XML fields moved in restricted production](https://harbyn.com/changes/nfse-nacional/2026-10-20-reposicionamento-dos-campos-cst-e-cclasstrib-no-xml.md)
- Oct 1, 2026, Breaking change: [Technical Note 009 v1.01 restructures the DPS and NFS-e layout for the tax reform](https://harbyn.com/changes/nfse-nacional/2026-10-01-nfs-e-layout-updates-for-the-consumption-tax-reform.md)