> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.reconcept.nl/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).

# When is the reference date for billing?

The reference date is always the last day of the month. The next reference date can always be found by going to the [Active portfolios](https://help.reconcept.nl/en/article/active-portfolios-overview-blyte1/) overview via User Management.