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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 86-0993344

SOUTHWEST CENTER FOR INTERNATIONAL STUDIES

Tax-exempt · TUCSON, AZ 85719

Address and contacts

Address (IRS master file)
1640 E HAMPTON ST, TUCSON, AZ 85719-3724
Mailing address (990-N for 2025)
1640 E Hampton, Tucson AZ 85719
Principal officer (990-N for 2025)
Tristan Reader, 1640 E Hampton, Tucson AZ 85719

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 SOUTHWEST CENTER FOR INTERNATIONAL STUDIES

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

IRS record

EIN
86-0993344
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
2001
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Tristan Reader
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: John Corbett
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: John Corbett
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Tracey Franklin Corbett
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Tracey Franklin Corbett
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: John Corbett
December 31, 2018≤ $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 86-0993344).

Questions about SOUTHWEST CENTER FOR INTERNATIONAL STUDIES

What is the EIN of SOUTHWEST CENTER FOR INTERNATIONAL STUDIES?
The employer identification number (EIN) of SOUTHWEST CENTER FOR INTERNATIONAL STUDIES is 86-0993344.
Is SOUTHWEST CENTER FOR INTERNATIONAL STUDIES tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to SOUTHWEST CENTER FOR INTERNATIONAL STUDIES tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOUTHWEST CENTER FOR INTERNATIONAL STUDIES file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOUTHWEST CENTER FOR INTERNATIONAL STUDIES 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 SOUTHWEST CENTER FOR INTERNATIONAL STUDIES 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 SOUTHWEST CENTER FOR INTERNATIONAL STUDIES?
The 990-N for 2025 names Tristan Reader.

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