California Code, Government Code - GOV § 21251.13

(a) Notwithstanding any other provision of law, Sections 21070.5, 21070.6, 21073.1, 21073.7, 21354.1, 21362.2, 21363.1, and 21369.1 and the amendments to Sections 21070, 21071, 21072, 21073, 21073.5, and 21353.5, enacted during the first year of the 1999-2000 Regular Session:

(b) Notwithstanding anything in a memorandum of understanding to the contrary, (1) the benefits provided under the provisions of those sections described in subdivision (a), as added or amended during the first year of the 1999-2000 Regular Session, shall not terminate upon the expiration or termination of the memorandum of understanding, and (2) the only conditions to the operation of the provisions of those sections described in subdivision (a), as added or amended during the first year of the 1999-2000 Regular Session, are contained in this section.

(c) Notwithstanding Section 3517.8 or any provision of a memorandum of understanding that has been continued in effect on and after January 15, 2011, pursuant to Section 3517.8 to the contrary, the retirement formulas in Sections 21354.1, 21363.3, 21363.4, 21363.8, and 21369.1 shall only apply to state employees who were first employed and subject to those sections before January 15, 2011.  Those sections shall not apply to any state employee member first employed on and after January 15, 2011.

(d) Upon request by the state employer or other entity, or on its own volition, the board may change the amortization period, or take any other action the board deems necessary or appropriate, to mitigate the impact of unforeseen factors that may cause an increase in the employer contribution by the state.  Nothing in this section shall be construed to limit the board's authority under Section 17 of Article 16 of the California Constitution.