Question 1

Is Wisconsin a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Wisconsin is recognised by the IRS as a 501(c)(3) organisation (EIN 39-1371810). The IRS recognised Wisconsin as tax-exempt in March 1970.

Question 2

What is Wisconsin's EIN?

Accepted Answer

Wisconsin's Employer Identification Number (EIN) is 39-1371810. The EIN was assigned by the IRS in March 1970. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Wisconsin do?

Accepted Answer

Education and advocacy on nuclear disarmament, climate action and environental health

Question 4

Where is Wisconsin located?

Accepted Answer

Wisconsin is located at 720 HIll Street, Madison, WI, 53705.

Question 5

When was Wisconsin founded or recognised by the IRS?

Accepted Answer

Wisconsin was recognised by the IRS as a tax-exempt organisation in March 1970. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Wisconsin's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Wisconsin reported $53K in total revenue and $35K in total expenses.

Question 7

Has Wisconsin been auto-revoked by the IRS?

Accepted Answer

No — Wisconsin (EIN 39-1371810) 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 Wisconsin listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Wisconsin 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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Wisconsin

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Frequently asked questions about Wisconsin