Tax Policy Center


John L. Czajka

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The Statistics of Income (SOI) Division of IRS prepares a publicly available file, the Public Use File, from its annual sample of income tax returns. The PUF is a critical data source for tax policy analysis. To insure taxpayer confidentiality, SOI applies disclosure avoidance procedures to the...

November 15, 2014
Victoria L. BryantJohn L. CzajkaJames R. NunnsGeorgia Ivsin