Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

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)

How to get help