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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-6074990

AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE

Also known as ASCLS-WISCONSIN

Tax-exempt · FRANKLIN, WI 53132

Address and contacts

Address (IRS master file)
6917 W RAWSON AVE, FRANKLIN, WI 53132-9280
In care of
% PATRICIA BOYER
Mailing address (990-N for 2024)
6917 W Rawson Ave, Franklin WI 53132
Principal officer (990-N for 2024)
Amy L Harris, 96 3rd Street, Fond du Lac WI 54935

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, 2026Not on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

File the 2025 990-N for AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE

Due October 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-6074990
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1970
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Amy L Harris
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Michael D Lukowski
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Michael D Lukowski
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Michael D Lukowski
May 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Michael D Lukowski
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Susan M Stalewski
May 31, 2020≤ $50,000 receipts––e-Postcard
990-EZMay 2019–––IRS

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 39-6074990).

Questions about AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE

What is the EIN of AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE?
The employer identification number (EIN) of AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE is 39-6074990.
Is AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1970.
Are donations to AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended May 31, 2025.
Who is the principal officer of AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE?
The 990-N for 2024 names Amy L Harris.

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