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Nonprofit · EIN 46-3472708

INTERNATIONAL TRIPLE HELIX INSTITUTE

Tax-exempt · MENLO PARK, CA 94025

Address and contacts

Address (IRS master file)
644 MENLO AVE STE 101, MENLO PARK, CA 94025-4742
In care of
% HENRY ETZKOWITZ
Mailing address (990-N for 2024)
644 Menlo Ave 101, Menlo Park CA 94025
Principal officer (990-N for 2024)
Henry Etzkowitz, 1766 Sand Hill Road Apt 308, Palo Alto CA 94304

California records

California keeps its own records of charities and corporations. Search them by EIN 46-3472708 or by the name INTERNATIONAL TRIPLE HELIX INSTITUTE.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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 August, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027Not due yet
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

IRS record

EIN
46-3472708
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Organization supporting a government college or university
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2014
Accounting year ends
August
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Henry Etzkowitz
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Henry Etzkowitz
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Henry Etzkowitz
August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Henry Etzkowitz
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Henry Etzkowitz
August 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Henry Etzkowitz
August 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 46-3472708).

Questions about INTERNATIONAL TRIPLE HELIX INSTITUTE

What is the EIN of INTERNATIONAL TRIPLE HELIX INSTITUTE?
The employer identification number (EIN) of INTERNATIONAL TRIPLE HELIX INSTITUTE is 46-3472708.
Is INTERNATIONAL TRIPLE HELIX INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Are donations to INTERNATIONAL TRIPLE HELIX INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL TRIPLE HELIX INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL TRIPLE HELIX INSTITUTE due?
The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL TRIPLE HELIX INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended August 31, 2025.
Who is the principal officer of INTERNATIONAL TRIPLE HELIX INSTITUTE?
The 990-N for 2024 names Henry Etzkowitz.

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