IRS transcript code

TC-290 — what it means for the case

Transaction Code 290. Indicates an additional tax assessment — often resulting from an audit, amended return, or IRS-initiated adjustment. For tax professionals — not a consumer decoder.

Definition

Transaction Code 290. Indicates an additional tax assessment — often resulting from an audit, amended return, or IRS-initiated adjustment.

What it means for a resolution case

Additional tax changes RCP and CSED inputs. Re-read the year before promising OIC, IA, or CNC based on the original return only.

Related codes

TC-150 · TC-420 ·

Where RESO uses it

Core Discovery reads these postings from Account transcripts and surfaces them as findings — not as a raw code list. The ledger stays Tier IRS. Client memory does not overwrite it.

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