Code 607: reversal of underpayment cleared.
From IRS Document 6209, the IRS's processing codes manual.
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Document 6209 says
Debit. Used on individual (IMF) accounts.
Reversal of Underpayment Cleared
The full Document 6209 entry, as printed
Debit (NPJ) I/B Reversal of Underpayment Cleared Generated Transaction Reverses a previous write-off under certain conditions if a dishonored check is posted to a module or a remittance is received which equals or is less than the amount of a previous small balance write off.
After code 607
Not enough shared timelines with this code yet. The block fills in once 30 people with code 607 share theirs from the result page.
Crowd figures, not IRS data. They describe what happened to others, not a promise.
Questions people ask
What does code 607 mean on my IRS transcript?
Document 6209 calls it "Reversal of Underpayment Cleared".
Sources
Checked against these sources on October 30, 2026.