Question 1

Is American Association of Variable Star Observers a tax-exempt 501(c)(3)?

Accepted Answer

Yes — American Association of Variable Star Observers is recognised by the IRS as a 501(c)(3) organisation (EIN 04-2164402). The IRS recognised American Association of Variable Star Observers as tax-exempt in February 1954.

Question 2

What is American Association of Variable Star Observers's EIN?

Accepted Answer

American Association of Variable Star Observers's Employer Identification Number (EIN) is 04-2164402. The EIN was assigned by the IRS in February 1954. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does American Association of Variable Star Observers do?

Accepted Answer

To enable anyone, anywhere, to participate in scientific discovery through Variable Star astronomy.

Question 4

Where is American Association of Variable Star Observers located?

Accepted Answer

American Association of Variable Star Observers is located at 1770 Massachusetts Ave 121, Cambridge, MA, 02140.

Question 5

When was American Association of Variable Star Observers founded or recognised by the IRS?

Accepted Answer

American Association of Variable Star Observers was recognised by the IRS as a tax-exempt organisation in February 1954. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is American Association of Variable Star Observers's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), American Association of Variable Star Observers reported $1.7M in total revenue and $1.3M in total expenses.

Question 7

Has American Association of Variable Star Observers been auto-revoked by the IRS?

Accepted Answer

No — American Association of Variable Star Observers (EIN 04-2164402) 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 American Association of Variable Star Observers listed in IRS Publication 78?

Accepted Answer

Yes — American Association of Variable Star Observers 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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American Association of Variable Star Observers

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