Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 51-0274093

AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE

Also known as ASCLS-DELAWARE

Tax-exempt · WILMINGTON, DE 19810

Address and contacts

Address (IRS master file)
2635 PENNINGTON DR, WILMINGTON, DE 19810-2444
In care of
% CHRISTINA C ASUNCION
Mailing address (990-N for 2025)
2635 Pennington Dr, Wilmington DE 19810
Principal officer (990-N for 2025)
Christina C Asuncion, 2635 Pennington dr, wilmington DE 19810

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

Tax yearYear endedDueIRS public records
2025July 31, 2026December 15, 2026990-N on file
2024July 31, 2025December 15, 2025990-N on file
2023July 31, 2024December 16, 2024990-N on file

File the 2026 990-N for AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE

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

IRS record

EIN
51-0274093
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1970
Accounting year ends
July
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Christina C Asuncion
July 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Christina Asuncion
July 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Christina C Asuncion
July 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Christina C Asuncion
July 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Christina C Asuncion
July 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Christina Asuncion
July 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 51-0274093).

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 51-0274093.
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 2026 (the year ending July 31, 2027) is due December 15, 2027. 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 2025 for the year ended July 31, 2026.
Who is the principal officer of AMERICAN SOCIETY FOR CLINICAL LABORATORY SCIENCE?
The 990-N for 2025 names Christina C Asuncion.

Other nonprofits in WILMINGTON

All nonprofits in WILMINGTON · Delaware