How to amend a VA state and federal taxes filed before in Turbotax now in Proconnect?

Do I need to enter the original return in Proconnect? 

Thank you!

BAckground

Virginia recently passed legislation making changes to their pass-through entity tax. chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.tax.virginia.gov/sites/default/files/inline-files/tb-23-3-changes-to-virginias-pass-thro...

The new legislation repeals the requirement that restricted qualifying pass-through entities to those 100 percent owned by natural persons or persons eligible to be shareholders of an S corporation.