---
id: "auth-code"
kind: "glossary-term"
title: "auth code"
language: "en"
category: "Transfers and EPP"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/auth-code/"
translations:
  es: "https://tldlog.com/es/glosario/codigo-autorizacion/"
  de: "https://tldlog.com/de/glossar/auth-code/"
  fr: "https://tldlog.com/fr/glossaire/code-autorisation/"
  it: "https://tldlog.com/it/glossario/codice-autorizzazione/"
  pt-BR: "https://tldlog.com/pt/glossario/codigo-autorizacao/"
  ru: "https://tldlog.com/ru/glossariy/kod-avtorizatsii/"
  zh-Hans: "https://tldlog.com/zh/cihui/shouquanma/"
---

# auth code

authorization code

A secret code the domain owner gets from the current registrar and gives to the new registrar to approve a transfer. It protects against unauthorized transfers. In June 2026 the ICANN Board adopted a change that will rename it Transfer Authorization Code and make it usable once. That change is not yet in force.

## related terms

- [domain transfer](https://tldlog.com/glossary/domain-transfer/)
- [transfer lock](https://tldlog.com/glossary/transfer-lock/)
- [EPP](https://tldlog.com/glossary/epp/)
- [domain hijacking](https://tldlog.com/glossary/domain-hijacking/)
- [Transfer Policy Review](https://tldlog.com/glossary/transfer-policy-review/)