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Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

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Statistical Data - Abusive Return Preparers

How to Interpret Criminal Investigation Data

Since actions on a specific investigation may cross fiscal years, the data shown in cases initiated may not always represent the same universe of cases shown in other actions within the same fiscal year.


FY 2016 FY 2015 FY 2014

Investigations Initiated

252 266 305

Prosecution Recommendations

174 238 261


204 224 230


202 204 183

Incarceration Rate*  

72.8% 80.4% 86.3%

Average Months to Serve

22 27 28

*Incarceration includes confinement to federal prison, halfway house, home detention, or some combination thereof.
Data Source: Criminal Investigation Management Information System


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