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Nonprofit · EIN 47-1242819

ISC2 EAST BAY CHAPTER

Tax-exempt · SAN RAMON, CA 94583

Address and contacts

Address (IRS master file)
PO BOX 2031, SAN RAMON, CA 94583-7031
Mailing address (990-N for 2025)
PO Box 2031, San Ramon CA 94583
Principal officer (990-N for 2025)
Irwin Cheng, PO Box 2031, San Ramon CA 94583

California records

California keeps its own records of charities and corporations. Search them by EIN 47-1242819 or by the name ISC2 EAST BAY CHAPTER.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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

IRS record

EIN
47-1242819
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
2018
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Irwin Cheng
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Chung Him Irwin Cheng
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Chung Him Irwin Cheng
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Chung Him Irwin Cheng
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Gary Dylina
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Gary Dylina
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Gary Dylina
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 47-1242819).

Questions about ISC2 EAST BAY CHAPTER

What is the EIN of ISC2 EAST BAY CHAPTER?
The employer identification number (EIN) of ISC2 EAST BAY CHAPTER is 47-1242819.
Is ISC2 EAST BAY CHAPTER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to ISC2 EAST BAY CHAPTER tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ISC2 EAST BAY CHAPTER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ISC2 EAST BAY CHAPTER 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 ISC2 EAST BAY CHAPTER 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 ISC2 EAST BAY CHAPTER?
The 990-N for 2025 names Irwin Cheng.

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