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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 43-1154257

ST LOUIS REGIONAL LIBRARY NETWORK

Tax-exempt · BALLWIN, MO 63021

Address and contacts

Address (IRS master file)
13610 BARRETT OFFICE DR STE 108, BALLWIN, MO 63021-7818
In care of
% KEITH GAERTNER
Mailing address (990-N for 2025)
13610 Barrett Office Drive Ste 108, Ballwin MO 63021
Principal officer (990-N for 2025)
Heather Wefel, 13610 Barrett Office Drive Ste 108, Ballwin MO 63021
Website
slrln.org

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, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for ST LOUIS REGIONAL LIBRARY NETWORK

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

IRS record

EIN
43-1154257
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1979
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Heather Wefel
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Katy Smith
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Heather Arnold
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Nicole Walsh
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Erin Magner
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Christa Vanherwig
June 30, 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 43-1154257).

Questions about ST LOUIS REGIONAL LIBRARY NETWORK

What is the EIN of ST LOUIS REGIONAL LIBRARY NETWORK?
The employer identification number (EIN) of ST LOUIS REGIONAL LIBRARY NETWORK is 43-1154257.
Is ST LOUIS REGIONAL LIBRARY NETWORK tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1979.
Are donations to ST LOUIS REGIONAL LIBRARY NETWORK tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ST LOUIS REGIONAL LIBRARY NETWORK file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ST LOUIS REGIONAL LIBRARY NETWORK due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ST LOUIS REGIONAL LIBRARY NETWORK last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of ST LOUIS REGIONAL LIBRARY NETWORK?
The 990-N for 2025 names Heather Wefel.

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