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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-1286877

ALPHA TAU OMEGA FRATERNITY

Also known as GAMMA LAMBDA CHAPTER COLORADO, Gamma Lambda Chapter Colorado

Tax-exempt (reinstated) · BOULDER, CO 80306

Address and contacts

Address (IRS master file)
PO BOX 4960, BOULDER, CO 80306-4960
Mailing address (990-N for 2011)
1 N Pennsylvania St Ste 12, Indianapolis IN 46204
Principal officer (990-N for 2011)
Alpha Tau Omega, 1 N Pennsylvania St Ste 12, Indianapolis IN 46204

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025Not on file
2023December 31, 2023May 15, 2024Check at the IRS

File the 2025 990-EZ for ALPHA TAU OMEGA FRATERNITY

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-1286877
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
2025
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B83)
Assets (IRS master file)
$6,932
Income (IRS master file)
$67,631

Revocation and reinstatement

Exemption revoked
January 15, 2016
Posted by the IRS
April 11, 2016
Reinstated
Effective August 15, 2024

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2011
Officer: Alpha Tau Omega
August 31, 2012≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 84-1286877).

Questions about ALPHA TAU OMEGA FRATERNITY

What is the EIN of ALPHA TAU OMEGA FRATERNITY?
The employer identification number (EIN) of ALPHA TAU OMEGA FRATERNITY is 84-1286877.
Is ALPHA TAU OMEGA FRATERNITY tax-exempt?
Yes. The IRS revoked its exemption on January 15, 2016 and reinstated it effective August 15, 2024.
Are donations to ALPHA TAU OMEGA FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ALPHA TAU OMEGA FRATERNITY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ALPHA TAU OMEGA FRATERNITY due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ALPHA TAU OMEGA FRATERNITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2011 for the year ended August 31, 2012.
Who is the principal officer of ALPHA TAU OMEGA FRATERNITY?
The 990-N for 2011 names Alpha Tau Omega.

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