California Code, Revenue and Taxation Code - RTC § 24693

(a) Section 468B of the Internal Revenue Code,  1 relating to special rules for designated settlement funds, shall apply, except as otherwise provided.

(b) Section 468B(b) of the Internal Revenue Code, which imposes a tax upon the designated settlement fund, shall be modified for purposes of this part to provide that a tax shall be imposed upon the gross income of the fund at a rate equal to the rate in effect for the taxable year under Section 23501. The income tax imposed upon the gross income of the fund by this section is in lieu of any other tax imposed by this part or Part 10 (commencing with Section 17001) upon or measured by that income.