Code 671: dishonored subsequent payment.
From IRS Document 6209, the IRS's processing codes manual.
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This code is rare on refund timelines. The IRS's own description is on the right.
Document 6209 says
Debit. Used on individual (IMF) accounts.
Dishonored Subsequent Payment
The full Document 6209 entry, as printed
Debit (PJ) I/B Dishonored Subsequent Payment 19, 24, 58, 87 Reverses a dishonored check submitted as a subsequent payment. IMF/BMF: If not accompanied by a secondary TC 280, a TC 286 is systemically generated, except for blocking series 800-899 (EFT Payments). Note: Not valid with doc code 34.
After code 671
Not enough shared timelines with this code yet. The block fills in once 30 people with code 671 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 671 mean on my IRS transcript?
Document 6209 calls it "Dishonored Subsequent Payment".
Sources
Checked against these sources on October 30, 2026.