Cal. Revenue and Taxation Code § 19088

(a) On the appointment of a receiver for any taxpayer in any receivership proceeding before any court of the United States or of any state or territory or of the District of Columbia, any deficiency (together with all interest, additional amounts, or additions to the tax provided for by law) determined by the Franchise Tax Board in respect of a tax upon the taxpayer may be immediately assessed. (b) Any deficiency (together with all interest, additional amounts, and additions to the tax provided by law) determined by the Franchise Tax Board in respect of a tax on either of the following: (1) The debtor’s estate in a case under Title 11 of the United States Code. (2) The debtor, but only if liability for the tax has become res judicata pursuant to a determination in a case under Title 11 of the United States Code, may be immediately assessed if that deficiency has not previously been assessed in accordance with law.