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MFT-CD 13 has to be calendar year with Reference Number 628.

Note:

Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States

Attach Form 4227, Intra-SC Reject or Routing Slip, notating, Transfer-in amount not transcribed correctly, and route the Form 4227 to the Accounting function (for contact with the originator for research and/or correction).

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▸Contents — Internal Revenue Manual Part 3. Submission Processing

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