Beginning for tax year 2021, California will require businesses that file certain California tax returns to report their California unclaimed property filing history.  Specifically, most 2021 California business tax returns filed with the Franchise Tax Board (e.g., Forms 100, 565, and 568) have been updated to ask whether the entity has previously filed an unclaimed property Holder Remit Report with the State Controller’s Office, and if so, the date of the last report and the…