Which organizations are exempt?

The IRS grants tax-exempt status to specific organisations, such as:

1. Charitable Organizations
2. Social welfare Organizations
3. Social clubs
4. Trade associations
5. Labor Organizations
6. Veterans' Organizations
7. Political Organizations

The IRS maintains a comprehensive list of tax-exempt organizations, available here. These organizations are required to submit an information return, which may include Form 990, Form 990-EZ, and Form 990-PF.