US nonprofit · EIN 871470155 · Cambridge, MAiSource and licenceOrganisation recordIRS Exempt Organizations Business Master File (EIN 871470155) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe time served.Exemption statusIRS Automatic Revocation of Exemption List (posted to 13 October 2026).DeductibilityIRS Publication 78 data (code SO), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data
Exemption reinstated on 15 May 2024. The IRS had automatically revoked it on 15 May 2024 (after three years without a return). Source: IRS Automatic Revocation of Exemption List, posted to 13 October 2026.