Nonprofit · EIN 64-0894559
INTERNATIONAL SIBLING SOCIETY
Tax-exempt · LAS VEGAS, NV 89101
Address and contacts
- Address (IRS master file)
- 732 S 6TH ST STE V, LAS VEGAS, NV 89101-6948
- In care of
- % CYNTHIA LAINE BURLESON
- Mailing address (990-N for 2025)
- 732 S 6TH ST STE V, LAS VEGAS NV 89101
- Principal officer (990-N for 2025)
- Cynthia Burleson, 732 S 6TH ST STE V, LAS VEGAS NV 89101
- Website
- issNOW.earth
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 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 64-0894559
- 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
- 2021
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Arts, culture and humanities (A20)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Cynthia Burleson | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Cynthia Burleson | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Cynthia Burleson | December 31, 2022 | ≤ $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 64-0894559).
Questions about INTERNATIONAL SIBLING SOCIETY
- What is the EIN of INTERNATIONAL SIBLING SOCIETY?
- The employer identification number (EIN) of INTERNATIONAL SIBLING SOCIETY is 64-0894559.
- Is INTERNATIONAL SIBLING SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
- Are donations to INTERNATIONAL SIBLING SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SIBLING SOCIETY file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of INTERNATIONAL SIBLING SOCIETY 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 INTERNATIONAL SIBLING SOCIETY 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 INTERNATIONAL SIBLING SOCIETY?
- The 990-N for 2025 names Cynthia Burleson.
Other nonprofits in LAS VEGAS
- THE SMITH CENTER FOR THE PERFORMING ARTS EIN 88-0361875 · last filed 990 for 2025
- NEON MUSEUM EIN 88-0383932 · last filed 990 for 2025
- NEVADA BALLET THEATRE EIN 94-2427112 · last filed 990 for 2025
- DISCOVERY CHILDRENS MUSEUM EIN 94-2943891 · last filed 990 for 2025
- PAID IN FULL FOUNDATION EIN 88-1168893 · last filed 990 for 2025
- NEVADA PUBLIC RADIO EIN 23-7441306 · last filed 990 for 2025
- LAS VEGAS PHILHARMONIC EIN 88-0398092 · last filed 990 for 2025
- NEVADA TEST SITE HISTORICAL FOUNDATION EIN 88-0392763 · last filed 990 for 2025
All nonprofits in LAS VEGAS · Nevada · Arts, culture and humanities