Question 1

Is Mono Basin Historical Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Mono Basin Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 91-2053114). The IRS recognised Mono Basin Historical Society as tax-exempt in December 2001.

Question 2

What is Mono Basin Historical Society's EIN?

Accepted Answer

Mono Basin Historical Society's Employer Identification Number (EIN) is 91-2053114. The EIN was assigned by the IRS in December 2001. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Mono Basin Historical Society do?

Accepted Answer

Corporation dedicated to the preservation, protection, and interpretation of the kootzadukaa paiute, pioneer, and mining heritage of the Mono Basin.

Question 4

Where is Mono Basin Historical Society located?

Accepted Answer

Mono Basin Historical Society is located at PO BOX 31, Lee Vining, CA, 93541.

Question 5

When was Mono Basin Historical Society founded or recognised by the IRS?

Accepted Answer

Mono Basin Historical Society was recognised by the IRS as a tax-exempt organisation in December 2001. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Mono Basin Historical Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Mono Basin Historical Society reported $23K in total revenue and $17K in total expenses.

Question 7

Has Mono Basin Historical Society been auto-revoked by the IRS?

Accepted Answer

No — Mono Basin Historical Society (EIN 91-2053114) 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 Mono Basin Historical Society listed in IRS Publication 78?

Accepted Answer

Yes — Mono Basin Historical 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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Mono Basin Historical Society

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