This publication 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. Because some studies abstract information from the same forms and schedules, some forms and schedules are repeated in several sections of this document. This volume is organized in two parts:
- Individual and Tax Exempt Branch studies include data related to the Form 1040, U.S. Individual Income Tax Return, series as well as data on sales of capital assets and an extensive program that connects income tax returns with information documents filed by third parties. The studies also include data collected for estate and gift taxes, tax-exempt organizations, and tax-exempt bonds.
- Corporation, Partnership, and International Branch studies focus on data collected from the Form 1120, U.S. Corporation Income Tax Return, series as well as SOI’s Partnership program and information collected from international filers.
Each tax form included in the SOI program is represented in this volume. Due to resource constraints, data from certain forms and schedules are collected periodically, rather than annually. For this reason, the contents of this document will vary somewhat from year to year. The information collected for each SOI project is developed in close collaboration with data users both inside and outside of the government. Most SOI programs are based on stratified samples of returns for which data are collected prior to IRS audits; therefore, the data represent information as originally reported by taxpayers.
Returns for the most recent tax year available are filed primarily during the prior calendar year, although returns for fiscal-year filers or filers for whom filing extensions have been granted may not be received by the IRS until the following calendar year. Consequently, data collected by SOI for a specific tax year will generally be made available to the public, in the form of tables and summary analyses, during the following two calendar years.
The specific data items captured for each SOI project are indicated with a red block on facsimiles of the forms and schedules. Forms and schedules that can be filed by different types of taxpayers are repeated in several sections of this document. Draft copies of tax forms, or copies of tax forms from earlier tax years, were inserted in this document if revisions of forms and schedules were not available at the time this document was produced.
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