Qualified Tuiton Expenses for 529 Withdrawal and Non-Dependent Child

If you are listed as the recipient, you claim the 1099-Q on your return. Otherwise, it goes on your child's return. If the entire distribution was used for qualified education expenses, even if you are listed as the beneficiary, it should not have any tax consequence on your return. To enter it in TurboTax:

1. Open or continue your return.
2. Select Federal and then Deductions & Credits.
3. Scroll down to the Education section under All tax breaks.
4. Select Show more and select Start or Revisit next to ESA and 529 qualified tuition programs (Form 1099-Q).
5. Follow the screens to enter your info. Select yourself as the recipient and under Who's the student? select Someone else not listed here and enter the child's name.
6. Enter the 1099-Q and answer the follow-up questions. When you are returned to Form 1099-Q Summary, select Done
7. Select the level of school your child attended
8. Enter the non-dependent student's expenses

Your daughter may still be eligible to claim an education credit on her own return, but she cannot use any expense as a qualified education expense that you paid for with the 529 withdrawal or was covered by a scholarship. 

You can just not report the 1099-Q, at all, if your student-beneficiary has sufficient educational expenses, including room & board (even if he lives at home) to cover the distribution. When the box 1 amount on form 1099-Q is fully covered by expenses, TurboTax will enter nothing about the 1099-Q on the actual tax forms. But, it will prepare a 1099-Q worksheet for your records. You would still have to do the math to see if there were enough expenses left over for the student to claim the tuition credit, on her return.  You and she  cannot double dip! 

On form 1099-Q, instructions to the recipient reads: "Nontaxable distributions from CESAs and QTPs are not required to be reported on your income tax return. You must determine the taxability of any distribution." 

The two of you may allocate the expenses for the maximum tax benefit.  

There are three things you can do with your Qualified educational expenses (QEE):

1. Allocate then to scholarships (so that the scholarship remains tax free)
2. Use them to claim an education credit
3. Allocate them to the 529 distribution (1099-Q) so that it will not all be taxable

She will have to adjust the expenses, she enters on her return, for the expenses you use on your return.  In particular, note that room & board are only qualified expenses for the 1099-Q/529 distribution.  R&B cannot be used for an education credit or to keep scholarship tax free. 

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Qualified Tuition Plans  (QTP 529 Plans) Distributions

General Discussion

It’s complicated.

For 529 plans, there is an “owner” (usually the parent), and a “beneficiary” (usually the student dependent). The "recipient" of the distribution can be either the owner or the beneficiary depending on who the money was sent to. When the money goes directly from the Qualified Tuition Plan (QTP) to the school, the student is the "recipient". The distribution will be reported on IRS form 1099-Q. 
The 1099-Q gets reported on the recipient's return.** The recipient's name & SS# will be on the 1099-Q.
Even though the 1099-Q is going on the student's return, the 1098-T should go on the parent's return, so you can claim the education credit. You can do this because he is your dependent.

You can and should claim the tuition credit before claiming the 529 plan earnings exclusion. The educational expenses he claims for the 1099-Q should be reduced by the amount of educational expenses you claim for the credit.
But be aware, you can not double dip. You cannot count the same tuition money, for the tuition credit,  that gets him an exclusion from the taxability of the earnings (interest) on the 529 plan. Since the credit is more generous; use as much of the tuition as is needed for the credit and the rest for the interest exclusion. Another special rule allows you to claim the tuition credit even though it was "his" money that paid the tuition.
In addition, there is another rule that says the 10% penalty is waived if he was unable to cover the 529 plan withdrawal with educational expenses either because he got scholarships or the expenses were used (by him or the parents) to claim the credits. He'll have to pay tax on the earnings, at his lower tax rate (subject to the “kiddie tax”), but not the penalty.

Total qualified expenses (including room & board) less amounts paid by scholarship less amounts used to claim the Tuition credit equals the amount you can use to claim the earnings exclusion on the 1099-Q. 
Example:
  $10,000 in educational expenses(including room & board)

   -$3000 paid by tax free scholarship***

   -$4000 used to claim the American Opportunity credit

 =$3000 Can be used against the 1099-Q (in your case, on your return, not the student's)

Box 1 of the 1099-Q is $5000

Box 2 is $2800

3000/5000=60% of the earnings are tax free; 40% are taxable

40% x 2800= $1120

You have $1120 of taxable income  

**Alternatively; you can just not report the 1099-Q, at all, if your student-beneficiary has sufficient educational expenses, including room & board (even if he lives at home) to cover the distribution. You would still have to do the math to see if there were enough expenses left over for you to claim the tuition credit. Again, you cannot double dip!  When the box 1 amount on form 1099-Q is fully covered by expenses, TurboTax will enter nothing about the 1099-Q on the actual tax forms. But, it will prepare a 1099-Q worksheet for your records, in case of an IRS inquiry.

On form 1099-Q, instructions to the recipient reads: "Nontaxable distributions from CESAs and QTPs are not required to be reported on your income tax return. You must determine the taxability of any distribution." 

***Another alternative is have the student report some of his scholarship as taxable income, to free up some expenses for the 1099-Q and/or tuition credit. Most people come out better having the scholarship taxable before the 529 earnings.