(

a) Any person who is a member of the Defined Benefit Program and who subsequently became employed and continues to be employed by the state to perform service that requires membership in the Public Employees’ Retirement System and who meets the requirements of subdivision (

b) may elect to have that state service subject to coverage by the Defined Benefit Program and excluded from coverage by the Public Employees’ Retirement System. (b)

(1) Only a person who has achieved program vesting shall be eligible to make the election under this section.

(2) A person is eligible to make the election if he or she left employment with a school district, county superintendent of schools, or community college district and began employment with the state within days without any intervening employment and that change in employment occurred on or after July 1, 1991, and prior to the effective date of this section.

(3) A person is eligible to make the election if, at the time of the election, he or she is a member of the Public Employees’ Retirement System subject to Second Tier benefits and is one of the following: (

A) Represented by a State Bargaining Unit that has agreed by a memorandum of understanding to become subject to

Section 20309.5 of the Government Code. (

B) Excluded from the definition of “state employee” in subdivision (

c) of

Section of the Government Code, but performing, supervising, or managing work similar to work performed by employees described in subparagraph (A). (

C) In a position not covered by civil service and in the executive branch of government, but performing, supervising, or managing work similar to work performed by employees described in subparagraph (A). (

c) The election under this

section shall be made in writing to each system within days after the effective date of this

section or within days after the eligible member is notified by the system of his or her right to make the election, whichever is later. The member’s election shall be effective on the day following the date on which the election is received by the Public Employees’ Retirement System. (

d) If the election is made, the state service performed from and after the date of the election shall be considered creditable service for purposes of this part and the provisions of

Section 22801.5 shall be applicable with respect to service performed prior to that date.