To enter 529 plan contributions on your Virginia state tax return:
1. Sign on to TurboTax and continue with your return.
2. Click the State tab (on the left hand side of the screen in black)
3. Click Your State Returns (the top center of your screen. Click the screenshot below for a visual reference)
4. Click Continue or Edit next to your Virginia state return.
4. You may have to click through several questions before you see Here's the income that Virginia handles differently. (Click the screenshot below a visual reference
5. Click Start next to Virginia College Savings Prepaid Tuition (529) Plan under the heading Education. (click the screenshot for a visual reference)