SOI Tax Stats - Private foundations harmonized microdata files (XML)

SOI Form 990-PF Historical Microdata in XML format, Tax Years 1985-2013
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SOI Tax Stats - Accumulation and distribution of individual retirement arrangements (IRA)

data about individual taxpayers with IRA plans organized by type of and size of plan, adjusted gross income, filing status, gender, and age of taxpayer, and size of contribution

SOI Tax Stats - Individual noncash charitable contributions

index of data sets detailing individual taxpayer non-cash donations to charity by year, size of adjusted gross income, recipient, taxpayer age

SOI Tax Stats - Partnership study data sources and limitations

This page contains information about data sources and limitations for SOI's annual Partnership Study.
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SOI Tax Stats - Controlled foreign corporations

Corporation Tax Statistics Controlled Foreign Corporations
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SOI tax stats - Private foundations harmonized microdata files (ASCII)

SOI Form 990-PF Study Data, Historical Microdata File (ASCII format)
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Tax Professionals

SOI Tax Stats - Partnership SOI bulletin articles

Partnership SOI Bulletin Articles
Tax Professionals, Partnerships

SOI tax stats - Foreign-controlled domestic corporations

Foreign "controlled" generally indicates U.S. corporations that have a foreign entity that owns 50 percent or more of the corporation's voting stock.
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Tax Professionals

SOI Tax Stats - Partnership statistics by sector or industry

Partnership Statistic by Sector or Industry
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Tax Professionals, Partnerships

SOI Tax Stats - Program documentation data items by forms and schedules

This document contains the federal tax forms, schedules, and information documents that the Statistics of Income (SOI) Division of the IRS has selected for its Tax Year programs.
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Tax Professionals