If you receive retirement benefits in the form of pension or annuity payments from a qualified employer retirement plan, the amounts you receive may be fully taxable, or partially taxable.

Social security and equivalent railroad retirement benefits are not discussed here. For more information about these benefits, refer to Tax Topic 423.

Your pension or annuity payments are usually fully taxable if your employer contributed all of the cost without including the cost in your taxable wages, or if you got back all your previously taxed contributions tax free in previous years.

If you contributed after-tax dollars to your pension or annuity, your pension payments are partially taxable. You will not pay tax on the part of the payment that represents a return of the after-tax amount you paid. This amount is your cost in the plan or investment, and includes the amounts your employer contributed that were taxable to you when contributed. Partly taxable pensions are taxed under either the General Rule or the Simplified Method. For more information on the General Rule and Simplified Method refer to Tax Topic 411. If the starting date of your pension or annuity payments is after November 18, 1996, you generally must use the Simplified Method to determine how much of your annuity payments is taxable and how much is tax free.

If you receive pension or annuity payments before age 59 1/2, you may be subject to an additional 10% tax on early distributions. However, this additional tax will not apply if the payments are made after your separation from service in or after the year you reached age 55 or if the payments are part of a series of substantially equal payments that are paid over your life. For other exceptions to the tax, refer to Publication 575 (PDF), Pension and Annuity Income.

The taxable part of your pension or annuity payments is generally subject to federal income tax withholding.

You may choose not to have income tax withheld from your pension or annuity payments unless they are eligible rollover distributions. If you do not want tax withheld from your pension or annuity, or if you want to specify how tax is to be withheld, you should provide the payer Form W-4P (PDF), Withholding Certificate for Pension or Annuity Payments, or a similar form provided by the payer. Withholding from periodic payments of a pension or annuity is generally figured the same way as for salaries and wages. If you do not give a completed withholding certificate to the payer, the payer must withhold tax as if you were married and claiming three withholding allowances. If you do not provide the payer with your correct social security number, tax will be withheld as if you were single and claiming no withholding allowances.

If too little tax is withheld, you may be required to make estimated tax payments. Refer to Tax Topic 355 for information on estimated tax. You may also refer to Publication 505 (PDF), Tax Withholding and Estimated Tax.

Special rules apply to certain non-periodic payments from qualified retirement plans. For information on the special tax treatment of lump-sum distributions, refer to Tax Topic 412. If an eligible rollover distribution is paid to you, the payer must withhold 20% of it, unless you choose the direct rollover option. For information on the treatment of eligible rollover distributions, refer to Tax Topic 413.

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