If you're offering a specialized discount and/or promotion that requires the non-profit status to be verified, then you should. This check can be done by searching through the Non-Profit 501(c)3 databases.
You can see the reasons listed by IRS as to why this check is done here:
You can see the reasons listed by IRS as to why this check is done here:
- Exempt Organizations Select Check: Function
- Exempt Organizations Select Check: Frequently Asked Questions