AMS

Internal Revenue Manual Part 5. Collecting Process · 2026-10-03 edition · updated 2026-10-04 · United States

WHC case actions are documented in the AMS history. WHC histories can be identified by the literal "WHC" .

Research AMS history for taxpayer contacts regarding return delinquency, balance due or installment agreement information affecting account.

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▸Contents — Internal Revenue Manual Part 5. Collecting Process

Internal Revenue Manual Part 5. Collecting Process

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