Cal. Rev. & Tax. Code § 19136.1
(a) Section 6654(d)(1)(A) of the Internal Revenue Code is modified to provide that in lieu of the required installments specified in that section, the amount of required installments shall instead be as follows:
(1) For each taxable year beginning on or after January 1, 2009, and before January 1, 2010, the amount of required installments shall be:
(2) For each taxable year beginning on or after January 1, 2010, the amount of required installments shall be:
(b) Section 6654(d)(2)(C)(ii) of the Internal Revenue Code, relating to applicable percentage, is modified as follows: