Note:
Internal Revenue Manual Part 25. Special Topics · 2026-10-03 edition · updated 2026-10-04 · United States
The CII capture function must be used when sending a letter as part of IDT case resolution. Refer to IRM 21.5.1.5.1, CII General Guidelines, for additional information.
If
And
Then
(1) Closing the case as IDT1/IDT8,
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