Understanding Your CP284 Notice

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

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.

Answers to common 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.

Printable samples of this notice (PDF)

Need Help?

  • You can authorize someone to contact the IRS on your behalf.
  • See if you qualify for help from a Low Income Taxpayer Clinic.
  • If you can’t find what you need online, you can call the IRS at the 800, 866, or 888 number listed on the notice.