Question 1

Is International Oak Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes — International Oak Society is recognised by the IRS as a 501(c)(3) organisation (EIN 37-1362228). The IRS recognised International Oak Society as tax-exempt in August 1997.

Question 2

What is International Oak Society's EIN?

Accepted Answer

International Oak Society's Employer Identification Number (EIN) is 37-1362228. The EIN was assigned by the IRS in August 1997. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does International Oak Society do?

Accepted Answer

Education and diffusion of knowledge regarding oaks

Question 4

Where is International Oak Society located?

Accepted Answer

International Oak Society is located at 2750 72nd Avenue SE, Mercer Island, WA, 98040.

Question 5

When was International Oak Society founded or recognised by the IRS?

Accepted Answer

International Oak Society was recognised by the IRS as a tax-exempt organisation in August 1997. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is International Oak Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), International Oak Society reported $152K in total revenue and $36K in total expenses.

Question 7

Has International Oak Society been auto-revoked by the IRS?

Accepted Answer

No — International Oak Society (EIN 37-1362228) 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 International Oak Society listed in IRS Publication 78?

Accepted Answer

Yes — International Oak Society 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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International Oak Society

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