Question 1

Is 10509 Sister BAY a tax-exempt 501(c)(3)?

Accepted Answer

Yes — 10509 Sister BAY is recognised by the IRS as a 501(c)(4) organisation (EIN 39-6093855). The IRS recognised 10509 Sister BAY as tax-exempt in March 1966.

Question 2

What is 10509 Sister BAY's EIN?

Accepted Answer

10509 Sister BAY's Employer Identification Number (EIN) is 39-6093855. The EIN was assigned by the IRS in March 1966. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does 10509 Sister BAY do?

Accepted Answer

Support for community not for profit organizations

Question 4

Where is 10509 Sister BAY located?

Accepted Answer

10509 Sister BAY is located at PO Box 81, Sister Bay, WI, 54234.

Question 5

When was 10509 Sister BAY founded or recognised by the IRS?

Accepted Answer

10509 Sister BAY was recognised by the IRS as a tax-exempt organisation in March 1966. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is 10509 Sister BAY's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), 10509 Sister BAY reported $54K in total revenue and $53K in total expenses.

Question 7

Has 10509 Sister BAY been auto-revoked by the IRS?

Accepted Answer

No — 10509 Sister BAY (EIN 39-6093855) 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 10509 Sister BAY listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find 10509 Sister BAY in the most recent IRS Publication 78 download. Some tax-exempt organisations (e.g., churches and government instrumentalities) are eligible to receive deductible contributions without appearing in Pub 78 — verify directly with the IRS if uncertain.

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10509 Sister BAY

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