IRS transcript code

TC-971 — what it means for the case

Transaction Code 971. A multipurpose miscellaneous action code. The specific action is determined by the Action Code (AC) that follows it. Common examples: TC-971 AC 524 (lien filing), TC-971 AC 641 (passport certification), TC-971 AC 643 (passport decertification). Also called Action Code. For tax professionals — not a consumer decoder.

Definition

Transaction Code 971. A multipurpose miscellaneous action code. The specific action is determined by the Action Code (AC) that follows it. Common examples: TC-971 AC 524 (lien filing), TC-971 AC 641 (passport certification), TC-971 AC 643 (passport decertification).

What it means for a resolution case

Never treat TC-971 as a generic note. Read the AC. Passport certification (641) and CDP/lien ACs change urgency and the client conversation.

Related codes

TC-582 · TC-520 ·

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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