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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 3.12.21.5.2.2(5) above to identify the originator (to whom the Form 4227 (and document) should be sent for research and correction).

The program will check Credit Transaction Codes 291, 295, 299, 301, 309 (Sections 02-19) against Debit Transaction Codes 290, 294, 295, 298, 299, 300, 304, 308, 309 in Sections 01 through 19 for valid Tax Liability/Carryback combinations.

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▸Contents — Internal Revenue Manual Part 3. Submission Processing

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