> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.taxx.lu/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Who can use the Google login?

The Google login is **only available for new users** creating their taxx.lu account for the first time.
If you already have an existing taxx.lu account, you must continue using your usual email address and password to sign in.