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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 46-6019646

ALPHA DELTA KAPPA SORORITY INC

Also known as SOUTH DAKOTA ALPHA CHAPTER

Tax-exempt · SIOUX FALLS, SD 57104

Address and contacts

Address (IRS master file)
925 S 4TH AVE, SIOUX FALLS, SD 57104-5109
In care of
% HARRIETT WENDT
Mailing address (990-N for 2025)
925 S 4th Avenue, Sioux Falls SD 57104
Principal officer (990-N for 2025)
Catharine Elizabeth Anderson, 925 S 4th Avenue, Sioux Falls SD 57104

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for ALPHA DELTA KAPPA SORORITY INC

Due October 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
46-6019646
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1970
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Catharine Elizabeth Anderson
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Cathy Anderson
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Catharine Anderson
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Cathy Anderson
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Catharine Anderson
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Carol Sommer
May 31, 2020≤ $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 46-6019646).

Questions about ALPHA DELTA KAPPA SORORITY INC

What is the EIN of ALPHA DELTA KAPPA SORORITY INC?
The employer identification number (EIN) of ALPHA DELTA KAPPA SORORITY INC is 46-6019646.
Is ALPHA DELTA KAPPA SORORITY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1970.
Are donations to ALPHA DELTA KAPPA SORORITY INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ALPHA DELTA KAPPA SORORITY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ALPHA DELTA KAPPA SORORITY INC due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ALPHA DELTA KAPPA SORORITY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of ALPHA DELTA KAPPA SORORITY INC?
The 990-N for 2025 names Catharine Elizabeth Anderson.

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