Code 976: posted duplicate return.

A second return posted for the same year.

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This sets a hold (-A freeze) until the IRS sorts out which return is right.

Document 6209 says

Credit. Used on business or other master files.

Posted Duplicate Return

The full Document 6209 entry, as printed

Credit B Posted Duplicate Return Generated Transaction Identifies the input return (TC 150) which caused a duplicate posting condition. Also identifies an amended return (TC 150 with Condition Code G). CP 193 will be issued unless unreversed TC 420 or 424 posted; in that case, CP 293 will be issued. Except for Forms 1065, with PIA Codes of 6212 or 6218, tax module is frozen from offset/refund until an Examination (TC 30X) or DP adjustment (TC 29X) is posted subsequent to TC 976 posting. 976 Credit I Posted Duplicate Return Generated Transaction Identifies the input return which causes a duplicate posting condition. TC 150 is replaced with TC 976 by computer. IMF: CP 36, Notice of Duplicate Return is issued. Prints CP 29 Indicator on CP 36 if module contains an amended return with other than Doc. Code 54; amended return freeze was on in module at beginning of cycle; and current processing cycle is later than 19 cycles from normal return due date. Tax module is frozen from offsetting and refunding until released by an Examination (TC 30X) or DP Tax (TC 29X) Adjustment. 976 E Posted Duplicate Return Generated Transaction Generated by a corrected unpostable 808 TC 150 to identify a duplicate return.

After code 976

Not enough shared timelines with this code yet. The block fills in once 30 people with code 976 share theirs from the result page.

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Questions people ask

What does code 976 mean on my IRS transcript?

Document 6209 calls it "Posted Duplicate Return". A second return posted for the same year. This sets a hold (-A freeze) until the IRS sorts out which return is right.

Sources

Checked against these sources on October 30, 2026.