Question 1

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

Accepted Answer

Yes — Rock Society is recognised by the IRS as a 501(c)(3) organisation (EIN 45-4672250). The IRS recognised Rock Society as tax-exempt in August 2025.

Question 2

What is Rock Society's EIN?

Accepted Answer

Rock Society's Employer Identification Number (EIN) is 45-4672250. The EIN was assigned by the IRS in August 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Rock Society do?

Accepted Answer

To further the investigation of calculi and reach a better understanding of the basic mechanisms involved.

Question 4

Where is Rock Society located?

Accepted Answer

Rock Society is located at 500 Cummings Center Suite 4400, Beverly, MA, 01915.

Question 5

When was Rock Society founded or recognised by the IRS?

Accepted Answer

Rock Society was recognised by the IRS as a tax-exempt organisation in August 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Rock Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Rock Society reported $77K in total revenue and $96K in total expenses.

Question 7

Has Rock Society been auto-revoked by the IRS?

Accepted Answer

No — Rock Society (EIN 45-4672250) 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 Rock Society listed in IRS Publication 78?

Accepted Answer

Yes — Rock 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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Rock Society

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