Code 494: notice of deficiency.
From IRS Document 6209, the IRS's processing codes manual.
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Document 6209 says
Used on individual (IMF) accounts.
Notice of Deficiency
The full Document 6209 entry, as printed
B/I Notice of Deficiency 77 Indicates that a Statutory Notice of Deficiency (90-day) was issued. Issuing Organization Code two position numeric only (70, 71, 84). CC: STN 90
After code 494
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Questions people ask
What does code 494 mean on my IRS transcript?
Document 6209 calls it "Notice of Deficiency".
Sources
Checked against these sources on October 30, 2026.