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

File your return by the due date for the short period tax year ending on the date you chose on your Form 1128.

You may want to

Keep this notice for your permanent records.

Frequently asked questions

What is Form 1128?

Taxpayers use it to change their tax year end date. It must be approved before they can use the new date. Partnerships, S corporations, personal service corporations (PSCs), or trusts may be required to file it to adopt or retain a certain tax year.