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

# 501(c)(3)

A section of the Internal Revenue Code that provides tax-exempt status to certain organizations. Such organizations may also set up a 403(b) Plan for their employees.