MFT-CD 13 has to be calendar year with Reference Number 628.
Reminder:
Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States
Follow the table/procedures in IRM 3.12.21.4.2.13(10), above, to identify the originator (to whom the Form 4227 (and document) should be sent for research and correction).
If an agreement date is present in Field 01-J, then Field 01-G must have a TC 300, 304 or 308. If Field 01-G is other than TC 300, 304 or 308 remove the agreement date in Field 01-J.
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