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

Section 40 - Doc Code 51 Only

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

This section contains field descriptions, correction procedures and related information for Section 40 (Document Code 51 only).

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▸Contents — Internal Revenue Manual Part 3. Submission Processing
Internal Revenue Manual Part 3. Submission Processing

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