IRS NOTICE REFERENCE
Letter 5145
You submitted a written request for a Collection Due Process (CDP) equivalent hearing. The IRS Independent Office of Appeals (Appeals) made a decision and you agreed with the decision.
General information only. Not legal or tax advice.
Notice details
- Notice code
- Letter 5145
- Category
- Account and informational
- Severity tier
- Tier 1 — Routine. Informational or administrative notice; no response typically required.
- Source
- IRS Taxpayer Advocate Service
What this notice is
You submitted a written request for a Collection Due Process (CDP) equivalent hearing. The IRS Independent Office of Appeals (Appeals) made a decision and you agreed with the decision.
Source: IRS Taxpayer Advocate Service. Reproduced for reference. General information — not legal or tax advice.
Official IRS reference
Read the official notice page on IRS.gov: https://www.taxpayeradvocate.irs.gov/notices/letter-5145/
Related tools
TaxRiskOS is workflow software for practitioners — it captures the notice, computes the deadline, surfaces the escalation tier, and builds a document checklist. It documents process; it does not give advice or draft responses.
Check this notice’s deadline (free tool)