Code 277: abatement of failure to pay tax penalty.
From IRS Document 6209, the IRS's processing codes manual.
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Document 6209 says
Credit. Used on individual (IMF) accounts.
Abatement of Failure to Pay Tax Penalty
The full Document 6209 entry, as printed
Credit (NPJ) I/B Abatement of Failure to Pay Tax Penalty Generated Transaction Computer-generated abatement of “net assessed” FTP Penalty (TC 276) in whole or part.
After code 277
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Questions people ask
What does code 277 mean on my IRS transcript?
Document 6209 calls it "Abatement of Failure to Pay Tax Penalty".
Sources
Checked against these sources on October 30, 2026.