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Nonprofit · EIN 91-1935321

SIGMA OMICRON UPSILON CHAPTER

Tax-exempt · PORTLAND, OR 97229

Address and contacts

Address (IRS master file)
9734 NW SKYLINE HEIGHTS DR, PORTLAND, OR 97229-2636
Mailing address (990-N for 2024)
9734 NW Skyline Heights Drive, Portland OR 97229

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
91-1935321
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Exempt since
1954
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Halina Wyss
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Halina Wyss
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018June 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 91-1935321).

Questions about SIGMA OMICRON UPSILON CHAPTER

What is the EIN of SIGMA OMICRON UPSILON CHAPTER?
The employer identification number (EIN) of SIGMA OMICRON UPSILON CHAPTER is 91-1935321.
Is SIGMA OMICRON UPSILON CHAPTER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1954.
Which annual return does SIGMA OMICRON UPSILON CHAPTER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA OMICRON UPSILON CHAPTER due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIGMA OMICRON UPSILON CHAPTER last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.

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