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Start now and receive your tax refund in as little as 7 days.

1. Get Answers

Your online questions are customized to your unique tax situation.

2. Maximize your Refund

Find tax credits for everything from school tuition to buying a hybri

3. E-File for FREE

E-file free with direct deposit to get your refund in as few as 7 days.

Filing your taxes with paper mail can be difficult and it could take weeks for your refund to arrive. IRS e-file is easy, fast and secure. There is no paperwork going to the IRS so tax refunds can be processed in as little as 7 days with direct deposit. As you prepare your taxes online, you can see your tax refund in real time.

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Understanding your CP45 Notice

We were unable to apply your overpayment to your estimated tax as you requested.

Printable samples of this notice (PDF)

Tax publications you may find useful

How to get help

Calling the 1-800 number listed on the top right corner of your notice is the fastest way to get your questions answered.

You can also authorize someone (such as an accountant) to contact the IRS on your behalf using this Power of Attorney and Declaration of Representative (Form 2848).

Or you may qualify for help from a Low Income Taxpayer Clinic.

What you need to do

  • Read your notice carefully - it will explain why we were unable to apply the amount you requested to the following year’s taxes. It may also suggest additional steps for you to take, depending on your situation.
  • Correct your copy of your tax return for your records.
  • Adjust this year’s estimate tax payments to avoid any possible underpayment.

You may want to...

Answers to Common Questions

How do I adjust my estimated tax payments?
You can adjust your estimated tax payments by completing Form 1040-ES, Estimated Tax for Individuals. For more information, see Publication 505, Tax Withholding and Estimated Tax.

What is an "overpayment," and how is that different from a "refund?"
An "overpayment" occurs when you pay more taxes during the year, either through withholding on wages or by making estimated payments, than what you owe. This can either be refunded to you or applied to your next year's taxes.

How can I find out what happened on my tax return this year that would cause this change?
Please contact us at the number listed on your notice for the specific information concerning your tax return.

Will the IRS send me another notice to confirm the overpayment has been applied?
No, this notice is your notification of the amount we’re applying to your account.

Tips for next year

Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions that you may qualify for. In many cases you can file for free. Learn more about e-file.

Page Last Reviewed or Updated: 04-Mar-2014

The Efile Tax Extension Free

Efile tax extension free Index A Accounting method: Accrual method, Accounting Method Cash method, Accounting Method Assistance (see Tax help) B Business: Expenses, Business Expenses Start-up costs, Business Start-Up Costs Use of car, Car and Truck Expenses Use of home, Business Use of Your Home C Car and truck expenses, Car and Truck Expenses Corporation, Corporations. Efile tax extension free D Depositing taxes, Depositing Taxes Depreciation, Depreciation E Employer identification number (EIN), Employer Identification Number (EIN) Employment taxes: Defined, Employment Taxes Records to keep, Employment taxes. Efile tax extension free Estimated tax, Estimated tax. Efile tax extension free Excise taxes, Excise Taxes F Form: 1099-MISC, Form 1099-MISC. Efile tax extension free 11-C, Form 11-C. Efile tax extension free 1128, Changing your tax year. Efile tax extension free 2290, Form 2290. Efile tax extension free 720, Form 720. Efile tax extension free 730, Form 730. Efile tax extension free 8300, Form 8300. Efile tax extension free 8829, Which form do I file? I-9, Form I-9. Efile tax extension free SS-4, Applying for an EIN. Efile tax extension free W-2, Form W-2 Wage Reporting, Form W-2. Efile tax extension free W-4, Form W-4. Efile tax extension free W-9, Other payee. Efile tax extension free FUTA tax, Federal Unemployment (FUTA) Tax H Help (see Tax help) Help from Small Business Administration, Small Business Administration I Identification numbers, Identification Numbers Income tax, Income Tax, Federal Income, Social Security, and Medicare Taxes Information returns, Information Returns Inventories, Accounting Method L Limited liability company, Limited liability company. Efile tax extension free M Medicare tax, Federal Income, Social Security, and Medicare Taxes More Information (see Tax help) More information (see Tax help) O Office in home, Business Use of Your Home P Partnership, Partnerships. Efile tax extension free Penalties, Penalties Publications (see Tax help) R Recordkeeping, Recordkeeping Records, how long to keep, How Long To Keep Records S S corporation, S corporations. Efile tax extension free Self-employment tax, Self-Employment Tax Small Business Administration, Small Business Administration Social security tax, Federal Income, Social Security, and Medicare Taxes Sole proprietorship, Sole proprietorships. Efile tax extension free Start-up costs, Business Start-Up Costs T Tax help, How to Get More Information Tax year, Tax Year Taxes: Employment, Employment Taxes Estimated, Estimated tax. Efile tax extension free Excise, Excise Taxes How to deposit, Depositing Taxes Income, Income Tax Self-employment, Self-Employment Tax Unemployment (FUTA), Federal Unemployment (FUTA) Tax Taxpayer Advocate, Taxpayer Advocate Service. Efile tax extension free TTY/TDD information, How to Get More Information U Unemployment (FUTA) tax, Federal Unemployment (FUTA) Tax Prev  Up     Home   More Online Publications