Question 1

Is Southern Sierra Research Station a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Southern Sierra Research Station is recognised by the IRS as a 501(c)(3) organisation (EIN 77-0536154). The IRS recognised Southern Sierra Research Station as tax-exempt in July 2000.

Question 2

What is Southern Sierra Research Station's EIN?

Accepted Answer

Southern Sierra Research Station's Employer Identification Number (EIN) is 77-0536154. The EIN was assigned by the IRS in July 2000. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Southern Sierra Research Station do?

Accepted Answer

The Southern Sierra Research Station (SSRS) is a non-profit organization (continued on sch. O) that aims to understand the biological processes that control population sizes and species diversity.

Question 4

Where is Southern Sierra Research Station located?

Accepted Answer

Southern Sierra Research Station is located at PO BOX 1316, Weldon, CA, 93283.

Question 5

When was Southern Sierra Research Station founded or recognised by the IRS?

Accepted Answer

Southern Sierra Research Station was recognised by the IRS as a tax-exempt organisation in July 2000. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Southern Sierra Research Station's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Southern Sierra Research Station reported $505K in total revenue and $766K in total expenses.

Question 7

Has Southern Sierra Research Station been auto-revoked by the IRS?

Accepted Answer

No — Southern Sierra Research Station (EIN 77-0536154) 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 Southern Sierra Research Station listed in IRS Publication 78?

Accepted Answer

Yes — Southern Sierra Research Station 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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Southern Sierra Research Station

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