IRS NOTICE REFERENCE
Understanding your CP284 notice
We approved your Form 1128, Application to Adopt, Change or Retain a Tax Year PDF .
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP284
- 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 approved your Form 1128, Application to Adopt, Change or Retain a Tax Year PDF .
Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.
What the IRS says to do
File your return by the due date for the short period tax year ending on the date you chose on your Form 1128.
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-cp284-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)