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Contact Michele Hayslett
Librarian for Data Svcs & Gov't Information
Phone 919-513-4433

NCCS Data Web: IRS Business master file

Parameters

  • All organizations registered as tax exempt with IRS
  • 1.4 million (May ’06)
  • Files available for 1989, 1995-2006
  • Basic descriptive information
    • Mostly from Form 1023 Application for Exemption
    • Gross receipts, assets, tax period from most recent Form 990

Limitations

  • Missing years in early 1990s
  • 21% of orgs couldn’t be located in a 1990s survey
  • Only the most basic descriptive information
  • Addresses may be out-of-date
  • Some errors on finances
  • Only partial (and probably not representative) coverage of religious organizations

 

Click on the NCCS Data Web heading to access the database
through the Libraries' Databases list.

Return to the main descriptive page

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