California Code, Unemployment Insurance Code - UIC § 1736

In addition to other penalties prescribed in this division, failure to file the notice required by Section 1090 shall cause the assignee, receiver, trustee in bankruptcy, or other representative of an insolvent employing unit, or the administrator or executor of the estate of the deceased employing unit to be personally responsible for all loss in contributions, penalties and interest attributable to such failure. This liability may be enforced by civil action in the name of the State of California against the assignee, receiver, trustee in bankruptcy, or other representative of the insolvent employing unit, and against the administrator or executor of the deceased employing unit.