Code 670: subsequent payment.
A payment made after the return.
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For your refund.
Counts toward what you paid.
Document 6209 says
Credit. Used on individual (IMF) accounts.
Subsequent Payment
The full Document 6209 entry, as printed
Credit (PJ) I/B Subsequent Payment All: 17, 18, 19, 24, 58 I/B: 34 If return has posted, credits the Tax Module with payment on account. If return has not posted, credits the Tax Module with prepayment on account. See UPC 198, and UPC 305. May carry a Designated Payment Code (DPC) (See section 11.12) Processing of TC 670 with secondary TC 460 use doc code 19.
After code 670
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Questions people ask
What does code 670 mean on my IRS transcript?
Document 6209 calls it "Subsequent Payment". A payment made after the return. Counts toward what you paid.
Sources
Checked against these sources on October 30, 2026.