Question 1

Is Heffter Research Institute a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Heffter Research Institute is recognised by the IRS as a 501(c)(3) organisation (EIN 85-1073501). The IRS recognised Heffter Research Institute as tax-exempt in May 2021.

Question 2

What is Heffter Research Institute's EIN?

Accepted Answer

Heffter Research Institute's Employer Identification Number (EIN) is 85-1073501. The EIN was assigned by the IRS in May 2021. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Heffter Research Institute do?

Accepted Answer

Scientific Research to relieve suffering and to understand the human mind.

Question 4

Where is Heffter Research Institute located?

Accepted Answer

Heffter Research Institute is located at 15 East Putnam Avenue Suite 413, Greenwich, CT, 06830.

Question 5

When was Heffter Research Institute founded or recognised by the IRS?

Accepted Answer

Heffter Research Institute was recognised by the IRS as a tax-exempt organisation in May 2021. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Heffter Research Institute's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Heffter Research Institute reported $229K in total revenue and $233K in total expenses.

Question 7

Has Heffter Research Institute been auto-revoked by the IRS?

Accepted Answer

No — Heffter Research Institute (EIN 85-1073501) 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.

Question 8

Is Heffter Research Institute listed in IRS Publication 78?

Accepted Answer

Yes — Heffter Research Institute 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.

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Heffter Research Institute

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