Basic does not have the query function. But because you are able to download Professional, you are able to populate the Homebase of Professional with your clients and then do the query function.

Unless your State has "rolling conformity" with Federal tax laws, the Federal law does not change the State tax.  You would need to know how your state is taxing unemployment, and if the return you filed is now incorrect, you would need to know how your State wants it to be handled.  Perhaps they will automatically fix it,  or perhaps you need to amend.  It varies from State to State.