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

If the selection key is Key 31, or the taxpayer is claiming a credit or payment(s) that refunded in a prior year, prior quarter, or from a different MFT, then use Label 8.

Key 40 is a common selection key for missing credits. Key 40 notices are selected by NRPS because the underpaid tax amount equals a posted credit on another module.

The NRPS package provides a possible payment in another module that meets the criteria for resolving the balance due on the notice module. Review the entire NRPS package and complete the steps below to verify if the payment identified in the NRPS package should be moved to the notice module or remain where it posted.

Look for pending (AP, PN, CU, RS, TP) credits on the contents page of the NRPS package and IDRS.

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