UNIT ONE - Examination of Returns Learning Objectives After course completion you will be able to: • • •
I.
Identify the purposes for which Tax Audit are used. Distinguish the different Examination Selection Criteria.
Recognize when the IRS may and may not contact third parties, as well as notice requirements.
Examination of Returns A.
In General
1. A tax return may be examined for a variety of reasons, and the examination may take place in any one of several ways. 1 2. After the examination, if any changes to the tax return are proposed, the taxpayer can either agree with those changes or pay any additional tax the taxpayer may owe, or the taxpayer can disagree with the changes and appeal the decision. 2 B.
Examination Selection Criteria 1.
DIF System
a. A tax return may be selected for examination on the basis of computer scoring known as the Discriminant Index Function or “DIF”.3 b. DIF is mathematical technique used by the IRS to rate individual income tax returns and some corporate returns for examination potential. 4 c. audited.
As a rule, the higher DIF score the greater potential that the return will be
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d. The formulas used to rate the returns are confidential and developed by the Service through data obtained through its National Research Program 6. e. The potential is high that an examination of the tax return will result in a change to the taxpayer income tax liability.7
1 IRS Publication page 2. 2 Id. 3 IRM 4.1.3.2(3) (08-10-2012). 4 Id. 5 Id. 6 Id. 7 IRS Publication page 2.
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