Rerpot the W-2 exactly as printed. Assuming the payback was done in 2016, here's how to handle the payback.
Under the Deductions & Credits tab scroll down to the Other Deductions & Credits heading. Under that heading elect to start/update Other Deductible Expenses.
- For Generation Skipping taxes, click NO
- For Less Common Expenses, click NO
- For Any Other Deductions, click YES
- Enter the amount you paid back in tax year 2016 in the box for "Claim of Right Repayment (only if over $3000)" and click Continue.
- click Continue again, and that does it.