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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-3642226

FLAT WORLD FOUNDATION

Also known as BUSINESS GLOBALIZATION FORUM

Tax-exempt · CAMBRIDGE, MA 02139

Address and contacts

Address (IRS master file)
PO BOX 391631, CAMBRIDGE, MA 02139-0029
Mailing address (990-N for 2023)
po box 391631, Cambridge MA 02139
Principal officer (990-N for 2023)
Ming Xia, po box 391631, Cambridge MA 02139

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026Not on file
2023September 30, 2024February 18, 2025990-N on file

File the 2025 990-N for FLAT WORLD FOUNDATION

Due February 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
81-3642226
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
2017
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2023
Officer: Ming Xia
September 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Ming Xia
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021September 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Ming Xia
September 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: ming xia
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018September 30, 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 81-3642226).

Questions about FLAT WORLD FOUNDATION

What is the EIN of FLAT WORLD FOUNDATION?
The employer identification number (EIN) of FLAT WORLD FOUNDATION is 81-3642226.
Is FLAT WORLD FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
Are donations to FLAT WORLD FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does FLAT WORLD FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of FLAT WORLD FOUNDATION due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did FLAT WORLD FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2023 for the year ended September 30, 2024.
Who is the principal officer of FLAT WORLD FOUNDATION?
The 990-N for 2023 names Ming Xia.

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