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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 91-1063474

AQUINORIAN RESEARCH INSTITUTE

Tax-exempt · TUCSON, AZ 85748

Address and contacts

Address (IRS master file)
9844 E CISCO CT, TUCSON, AZ 85748-6416
In care of
% SHIRLEY BALLARD
Mailing address (990-N for 2025)
9844 EAST CISCO COURT, TUCSON AZ 85748
Principal officer (990-N for 2025)
Kenneth John Mighell, 9844 East Cisco Court, Tucson AZ 85748

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for AQUINORIAN RESEARCH INSTITUTE

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
91-1063474
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1979
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Kenneth John Mighell
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Kenneth John Mighell
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: KENNETH JOHN MIGHELL
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: KENNETH JOHN MIGHELL
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: KENNETH MIGHELL
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: KENNETH MIGHELL
December 31, 2019≤ $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 91-1063474).

Questions about AQUINORIAN RESEARCH INSTITUTE

What is the EIN of AQUINORIAN RESEARCH INSTITUTE?
The employer identification number (EIN) of AQUINORIAN RESEARCH INSTITUTE is 91-1063474.
Is AQUINORIAN RESEARCH INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1979.
Are donations to AQUINORIAN RESEARCH INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AQUINORIAN RESEARCH INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AQUINORIAN RESEARCH INSTITUTE due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AQUINORIAN RESEARCH INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of AQUINORIAN RESEARCH INSTITUTE?
The 990-N for 2025 names Kenneth John Mighell.

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