4 - Erroneous AbatementThe timely filed TC 150 return for TY 2018 is determined to be a nullity. The valid taxpayer filed a return reporting tax of $.00 and withholding of $2,500 which posted as a TC 976. Form 14039 is included with the return. The ASED for the valid return is expired. Based on the original return, the account shows TC 150 tax of $5,000, and withholding of $6,000. A CP 2000 proposing a tax increase of $2,000 based on unreported income is issued to the valid taxpayer’s last known

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Internal Revenue Manual Part 25. Special Topics · 2026-10-03 edition · updated 2026-10-04 · United States

The IAT Letter tool must be used to input letters for identity theft case work.

Multiple tax years can be combined in one letter unless unique issues or account resolution are present requiring individual tax year letters.

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▸Contents — Internal Revenue Manual Part 25. Special Topics

Internal Revenue Manual Part 25. Special Topics

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