IRS NOTICE REFERENCE
Understanding your CP145 notice
We couldn’t credit the full amount you requested to the tax period shown on your notice.
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP145
- Category
- Account and informational
- Severity tier
- Tier 1 — Routine. Informational or administrative notice; no response typically required.
- Source
- IRS.gov — Understanding Your IRS Notice
What this notice is
We couldn’t credit the full amount you requested to the tax period shown on your notice.
Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.
What the IRS says to do
You don't need to do anything. You should receive another notice within 45 days of the CP145 notice date with more information.
This is the IRS’s own guidance reproduced from the IRS notice page. It describes the IRS’s process — it is not legal or tax advice from TaxRiskOS.
Official IRS reference
Read the official notice page on IRS.gov: https://www.irs.gov/individuals/understanding-your-cp145-notice
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)