(

a) Notwithstanding

Section 20683, effective with the beginning of the pay period following the effective date of this section, the normal rate of contribution for state safety members who are represented by State Bargaining Units 12, 16, 18, and shall be percent of compensation in excess of three hundred seventeen dollars ($317) per month paid to a member whose service is not included in the federal system or in excess of five hundred thirteen dollars ($513) for one whose service is included in the federal system. (

b) Notwithstanding

Section 20683, effective with the beginning of the pay period following the operative date of the amendments to this

section made by Senate Bill of the 2011–12 Regular Session, this

section shall apply to state safety members who are represented by State Bargaining Unit 13. (

c) If the provisions of this

section are in conflict with the provisions of a memorandum of understanding reached pursuant to

Section 3517.5, the memorandum of understanding shall be controlling without further legislative action, except that if those provisions of the memorandum of understanding require the expenditure of funds, those provisions shall not become effective unless approved by the Legislature in the annual Budget Act. (

d) Consistent with the normal rate of contribution for all members identified in this subdivision, the Director of the Department of Human Resources may exercise his or her discretion to establish the normal rate of contribution for a related state employee who is excepted from the definition of “state employee” in subdivision (

c) of

Section 3513, and an officer or employee of the executive branch of state government who is not a member of the civil service.