Figuring Out the Taxability of Retroactive SSDI Payments
Guest Column
By Paul Gada
Welcome to the last in a series of columns discussing timely tax issues for the 2007 filing season. The initial column looked at the new tax rebate and the second column looked at two important tax credits that may benefit those with disabilities. The third column covered whether or not filing a federal tax return is required.
Saving one of the most complicated topics for last, this column explores the tax treatment of lump-sum (retroactive) payments of Social Security disability income (SSDI) benefits. If there is one tax area that SSDI recipients are most likely to trip up on, this is it.
A lump-sum retroactive SSDI award represents a payment that includes benefits calculated for earlier years. You account for the retroactive award in the tax year you get the award. However, do not treat the entire retroactive award as income in the tax year received. If you do, you are making a mistake that will result in you paying unnecessary taxes.
If you received a lump-sum SSDI payment in 2007 that includes benefits for one or more earlier years, it will be included in box 3 of Form SSA-1099. The form will also break down the benefits to show the year (or years) to which they apply.
You would account for the entire lump-sum amount received in 2007 (including the portion for 2007 and portions for earlier years) on your 2007 tax return. Under the lump-sum election method allowed by the IRS, no adjustment is made to returns filed in previous years (so don’t file amended returns).
Looking back over the years covered by the retroactive payment, you refigure the taxable part of your benefits for an earlier year using that year’s income. Once you subtract any taxable benefits for the year that you reported before, the remainder will be the taxable part of the lump-sum payment. You would then add it to the taxable part of your benefits for 2007 (calculated without the lump-sum payments for previous years).
Chances are that if you had no taxable income in previous years, these calculations will be fairly easy. The tricky part usually occurs when looking back at years with additional income, perhaps from a spouse or from employment before going on permanent disability.
To figure out the taxable portion of a retroactive SSDI payment for previous years and examples of how this works, you can use the worksheets provided in IRS Publication 915. Doing these calculations by hand, however, can be extremely difficult.
Because of this, it is highly recommended that you invest in some tax prep software or have your taxes prepared by a tax professional. It is worth the price if you do.
At the same time, you should also be aware that this area of the tax law can be so complicated that professional tax preparers and software have been known to make a mistake. Before seeking to use these options, you should first become an informed consumer and taxpayer by reviewing IRS Publication 915 in detail.
Lump-sum Related Tax Deductions
When figuring out the taxability of a lump-sum SSDI payment, keep in mind that there are two important deductions you may be able to take.
First, you can generally deduct the representation expenses that you pay somebody to help you collect your SSDI retroactive award. The expenses for collecting the taxable part of your SSDI benefits are deductible as miscellaneous itemized deductions on line 23 of Schedule A (Form 1040).
Second, if you received disability payments through an employer’s or insurance company’s long-term disability policy and you had to repay the employer or insurance company for any retroactive SSDI disability payments, you can receive a deduction or credit for all or part of the repayments.
If the amount you repay is $3,000 or less, you would claim it as a miscellaneous itemized deduction on line 23 of Schedule A (Form 1040). If your repayments are more than $3,000, follow the methods described on page 15 of IRS Publication 915 and choose the option that results in the least taxes to you.
Fixing Errors with an Amended Return
If it turns out you incorrectly reported a lump-sum SSDI payment, you may want to consider filing an amended tax return. To do this, file Form 1040X within three years after the date you filed the original tax return or within two years after the date you paid the tax, whichever is later. However, the deadline for filing an amended return can be suspended for people who are unable to manage their financial affairs. The instructions for Form 1040X on the IRS web site go into more detail.
I hope you have found my guest columns for the AAPD blog helpful. Although there will be no further columns this year, I welcome your questions and will answer them as best I can.
Happy tax season!
~Paul Gada is a tax attorney and the personal financial planning director for Allsup, a national provider of Social Security, health care and financial services for those with disabilities.
Copyright, Allsup, Inc.




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