- Is Mathematical Optimization Society a tax-exempt 501(c)(3)?
- Yes. Mathematical Optimization Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-2161580). The IRS recognised Mathematical Optimization Society as tax-exempt in March 1981.
- What is Mathematical Optimization Society's EIN?
- Mathematical Optimization Society's Employer Identification Number (EIN) is 23-2161580. The EIN was assigned by the IRS in March 1981. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Mathematical Optimization Society do?
- Advance knowledge of Mathematical Optimization
- Where is Mathematical Optimization Society located?
- Mathematical Optimization Society is located at 3600 University Science Center, Philadelphia, PA, 19104.
- When was Mathematical Optimization Society founded or recognised by the IRS?
- Mathematical Optimization Society was recognised by the IRS as a tax-exempt organisation in March 1981. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Mathematical Optimization Society's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Mathematical Optimization Society reported $228K in total revenue and $79K in total expenses.
- Has Mathematical Optimization Society been auto-revoked by the IRS?
- No. Mathematical Optimization Society (EIN 23-2161580) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is Mathematical Optimization Society listed in IRS Publication 78?
- Yes. Mathematical Optimization Society is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.