@user411 wrote:
Should I get professional representation for this issue?
I believe that would be highly recommended in this case.
The links below are to lists of enrolled agents and attorneys.
https://taxexperts.naea.org/listing/location/united-states/california
https://www.avvo.com/tax-lawyer.html
You could have had your father file a Declaration of Domicile in Florida, but it is likely too late for that at this point.
https://www.clerk.org/pdf/DeclarationOfDomicile.pdf
