Question 1

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

Accepted Answer

Yes — Tucson is recognised by the IRS as a 501(c)(4) organisation (EIN 86-0777008). The IRS recognised Tucson as tax-exempt in June 1996.

Question 2

What is Tucson's EIN?

Accepted Answer

Tucson's Employer Identification Number (EIN) is 86-0777008. The EIN was assigned by the IRS in June 1996. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Tucson do?

Accepted Answer

To provide a congenial atmosphere for the appreciation and advancement of speculative fiction in any form. To promote reading and appreciation of written speculative fiction. To promote the free discussion of scientific research and achievements in relation to speculative…

Question 4

Where is Tucson located?

Accepted Answer

Tucson is located at P O Box 2528, Tucson, AZ, 85702.

Question 5

When was Tucson founded or recognised by the IRS?

Accepted Answer

Tucson was recognised by the IRS as a tax-exempt organisation in June 1996. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Tucson's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Tucson reported $19K in total revenue and $19K in total expenses.

Question 7

Has Tucson been auto-revoked by the IRS?

Accepted Answer

No — Tucson (EIN 86-0777008) 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 Tucson listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Tucson 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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Tucson

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