Question 1

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

Accepted Answer

Yes — Zetetic Institute is recognised by the IRS as a 501(c)(3) organisation (EIN 86-0723852). The IRS recognised Zetetic Institute as tax-exempt in December 1994.

Question 2

What is Zetetic Institute's EIN?

Accepted Answer

Zetetic Institute's Employer Identification Number (EIN) is 86-0723852. The EIN was assigned by the IRS in December 1994. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Zetetic Institute do?

Accepted Answer

The Institute performed scientific reseaarch in Physics and Optical Sciences. The Institutes Discoveries have advanced the field opf Optics and the research results are published.

Question 4

Where is Zetetic Institute located?

Accepted Answer

Zetetic Institute is located at 340 S Avenida de Palmas, Tucson, AZ, 85716.

Question 5

When was Zetetic Institute founded or recognised by the IRS?

Accepted Answer

Zetetic Institute was recognised by the IRS as a tax-exempt organisation in December 1994. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Zetetic Institute's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Zetetic Institute reported $13K in total revenue and $10K in total expenses.

Question 7

Has Zetetic Institute been auto-revoked by the IRS?

Accepted Answer

No — Zetetic Institute (EIN 86-0723852) 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 Zetetic Institute listed in IRS Publication 78?

Accepted Answer

Yes — Zetetic 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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Zetetic Institute

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