---
id: "fee-extension"
kind: "glossary-term"
title: "fee extension"
language: "en"
category: "Transfers and EPP"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/fee-extension/"
translations:
  es: "https://tldlog.com/es/glosario/extension-tarifas/"
  de: "https://tldlog.com/de/glossar/fee-extension/"
  fr: "https://tldlog.com/fr/glossaire/extension-tarification/"
  it: "https://tldlog.com/it/glossario/estensione-tariffe/"
  pt-BR: "https://tldlog.com/pt/glossario/extensao-taxas/"
  ru: "https://tldlog.com/ru/glossariy/rasshirenie-fee/"
  zh-Hans: "https://tldlog.com/zh/cihui/feiyong-kuozhan/"
---

# fee extension

The EPP add-on that lets a registry tell registrars what each action on a domain costs, and lets the registrar confirm that price when it sends the command. It is how premium prices are passed along automatically. It is defined in RFC 8748.

## related terms

- [EPP extension](https://tldlog.com/glossary/epp-extension/)
- [premium domain](https://tldlog.com/glossary/premium-domain/)
- [wholesale price](https://tldlog.com/glossary/wholesale-price/)
- [EPP](https://tldlog.com/glossary/epp/)