State tax filing

After the VA state govt figures out if it will be retroactively applied to 2018, the State DOR will have to figure the process to do so, then inform the Software companies how they want it done....then the software companies would take a couple weeks to rewrite their software...and get it approved by the state DOR.

That could take 1-3 months AFTER the final bill is passed and signed.  That type of thing does not turn on a dime.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*