Yes, you are correct that the Virginia 529 plan should be included per 2020 Form 760 Resident Individual Income Tax Booklet, page 25. If the initial opportunity was missed at Here's the income that Virginia handles differently, and Virginia is already finished, follow these steps to return to this area.
It will be under Income at Your 2020 Virginia taxes are ready for us to check.
From this screen, scroll down to Income and Edit to make adjustments.
Next, under Education, select Virginia College Savings Prepaid Tuition (Section 529) Plan and Start.
