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

Nonprofit · EIN 26-3051709

OKLAHOMA INVASIVE PLANT COUNCIL

Tax-exempt (reinstated) · NORMAN, OK 73019

Address and contacts

Address (IRS master file)
111 CHESAPEAKE STREET, NORMAN, OK 73019-5116
In care of
% OKLAHOMA BIOLOGICAL SURVEY
Mailing address (990-N for 2025)
111 Chesapeake Street, Norman OK 73019
Principal officer (990-N for 2025)
Karen R Hickman, 3116 Crestview, Enid OK 73703

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

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

File the 2026 990-N for OKLAHOMA INVASIVE PLANT COUNCIL

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
26-3051709
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2014
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C30)

Revocation and reinstatement

Exemption revoked
February 15, 2012
Posted by the IRS
December 2, 2014
Reinstated
Effective November 15, 2014

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Karen R Hickman
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Karen R Hickman
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Karen R Hickman
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Karen R Hickman
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Amy Buthod
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Amy Kathleen Buthod
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Amy Buthod
December 31, 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 26-3051709).

Questions about OKLAHOMA INVASIVE PLANT COUNCIL

What is the EIN of OKLAHOMA INVASIVE PLANT COUNCIL?
The employer identification number (EIN) of OKLAHOMA INVASIVE PLANT COUNCIL is 26-3051709.
Is OKLAHOMA INVASIVE PLANT COUNCIL tax-exempt?
Yes. The IRS revoked its exemption on February 15, 2012 and reinstated it effective November 15, 2014.
Are donations to OKLAHOMA INVASIVE PLANT COUNCIL tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OKLAHOMA INVASIVE PLANT COUNCIL file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OKLAHOMA INVASIVE PLANT COUNCIL due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OKLAHOMA INVASIVE PLANT COUNCIL last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of OKLAHOMA INVASIVE PLANT COUNCIL?
The 990-N for 2025 names Karen R Hickman.

Other nonprofits in NORMAN

All nonprofits in NORMAN · Oklahoma · Environment