- Is The STIFF Person Syndrome Research Foundation a tax-exempt 501(c)(3)?
- Yes. The STIFF Person Syndrome Research Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 84-2291780). The IRS recognised The STIFF Person Syndrome Research Foundation as tax-exempt in November 2019.
- What is The STIFF Person Syndrome Research Foundation's EIN?
- The STIFF Person Syndrome Research Foundation's Employer Identification Number (EIN) is 84-2291780. The EIN was assigned by the IRS in November 2019. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does The STIFF Person Syndrome Research Foundation do?
- Registry Development The SPS Global Registry allows researchers to study the natural history of SPS to better understand how the disease progresses over time
- Where is The STIFF Person Syndrome Research Foundation located?
- The STIFF Person Syndrome Research Foundation is located at 8621 Burdette Rd, Bethesda, MD, 20817.
- When was The STIFF Person Syndrome Research Foundation founded or recognised by the IRS?
- The STIFF Person Syndrome Research Foundation was recognised by the IRS as a tax-exempt organisation in November 2019. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is The STIFF Person Syndrome Research Foundation's annual revenue?
- On its most recent Form 990 (fiscal year 2025), The STIFF Person Syndrome Research Foundation reported $578K in total revenue and $540K in total expenses.
- Has The STIFF Person Syndrome Research Foundation been auto-revoked by the IRS?
- No. The STIFF Person Syndrome Research Foundation (EIN 84-2291780) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is The STIFF Person Syndrome Research Foundation listed in IRS Publication 78?
- Yes. The STIFF Person Syndrome Research Foundation is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.
