Understanding Your CP284 Notice

What this notice is about

We approved your Form 1128, Application To Adopt, Change, or Retain a Tax Year (PDF).


What you need to do

  • Timely file a short period annual return for the tax year ending shown on Form 1128.

You may want to

  • Keep this notice for your permanent records.

Frequently asked questions

What is Form 1128?
When approved, this form allows a taxpayer to change the date on which they close their tax year. Partnerships, S corporations, personal service corporations (PSCs), or trusts may be required to file the form to adopt or retain a certain tax year.

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