Nonprofit · EIN 84-3905530
CENTER FOR DYNAMICAL SYSTEMS STUDIES
Tax-exempt (reinstated) · BROOKVILLE, PA 15825
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | No data |
| 2023 | December 31, 2023 | May 15, 2024 | No data |
IRS record
- EIN
- 84-3905530
- 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
- 2023
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Science and technology (U05)
- Reinstated
- May 15, 2022
Filing history
| Form | Year ended | Revenue | Expenses | Assets |
|---|---|---|---|---|
| 990-N for 2025 | December 31, 2025 | ≤ $50,000 receipts | – | – |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.
Other organizations in BROOKVILLE
- WRC PENNSYLVANIA MEMORIAL HOME · 990 for 2025
- JEFFERSON CLARION HEAD START INC · 990 for 2025
- WRC NORTH FORK HEIGHTS · 990 for 2025
- BROOKVILLE VOLUNTEER FIRE CO · 990 for 2025
- BROOKVILLE AREA FOOD PANTRY · 990 for 2025
- FRIENDS OF WESTERN PA CARES FOR KIDS INC · 990 for 2024
- BROOKVILLE MUSIC BOOSTERS · 990 for 2025
- LITTLE LEAGUE BASEBALL INC · 990-EZ for 2025