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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

Example:

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

A Form 14039 is received stating someone filed a tax return using the taxpayer’s name and ITIN. Through research of the account, you determine:•The TC 150 return filed is invalid per IRPTR/IDRS data and lists the true taxpayer’s child as a dependent on that return.•The TC 976 return filed is valid and is reporting verifiable income earned under another individual’s SSN.•The account of the individual whose SSN is being used for employment purposes is not marked with TC 971 AC 525.•The original taxpayer and their child are both victims of identity theft. The dependent is a covered relationship, and their case will be considered taxpayer initiated.•The other taxpayer is an unrelated third party and is not a covered relationship. This case will be treated as IRS identified.

The following subsections contain program specific guidance for communicating with taxpayers.

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▸Contents — Internal Revenue Manual Part 25. Special Topics

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