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Forms and Instructions

Individual Tax Return
Request for Taxpayer Identification Number (TIN) and Certification
Single and Joint Filers With No Dependents
Employee's Withholding Allowance Certificate


Request for Transcript of Tax Returns
Employer's Quarterly Federal Tax Return
Installment Agreement Request
Wage and Tax Statement

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Rules Governing Practice before IRS

SOI Tax Stats - About SOI

Notice: Historical Content

This is an archival or historical document and may not reflect current law, policies or procedures.

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Ever wondered about what Statistics of Income (SOI) does or how it relates to the IRS and other government agencies? How long has SOI been collecting data? Want to know what we do and how we do it? You’ll find the answers here.

Purpose and Function of the SOI Program
Want to know how SOI came to be? Or why we came to be? Want to know about our organizational structure and why we do what we do? Look here.

The Work SOI Does
We work with numbers—all day, every day. Oh, but the fun we have doing it. Look here.

Careers with SOI
Consider a career with SOI.

Release and Dissemination of SOI's Statistical Products
Want to know when and how we release data to the public? Look here for information about releases of both advanced and final versions of statistical products, and corrections to statistical products.

A History of the Statistics of Income Division from 1917 to 2007
Did you know that the income taxes have been levied since 1913? Or that three years later, a mandate declared that each year we'd need to publish statistics with respect to the operation of the tax law? These pages explain some of SOI's history and accomplishments.

Costs Incurred by the Internal Revenue Service, by Budget Activity and Fiscal Years

Internal Revenue Service Personnel Summary, by Employment Status and Type of Personnel


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