IRS Letters and Forms
CP523/623

CP523/623 — Installment Agreement Default Notice with Intent to Levy

Installment Agreement Default Notice with Intent to Levy

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CP523/623

Read the notice carefully and note any deadline. Gather returns, notices, and payment records. Book a free strategy session before responding if the amount is large, unclear, or collection language appears.

What the IRS language says

Installment Agreement Default Notice with Intent to Levy

What it usually means

CP523/623 is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.

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