(

a) Notwithstanding any other provision of this part, the City of San Gabriel, the employees’ exclusive representative, and unrepresented employees may agree that the employer contribution for postretirement health coverage shall be subject to all of the following:

(1) Credited years of service that the employee worked with the City of San Gabriel.

(2) A memorandum of understanding regarding postretirement health coverage mutually agreed upon through collective bargaining. This issue shall not be subject to the impasse procedures set forth in

Chapter 10 (commencing with

Section 3500) of Division of Title 1.

(3) The employer contribution established by this

section shall not be less than the adjusted employer contribution required by subdivision (

b) of

Section 22892. (

b) This

section does not apply to any employee who retired before the effective date of the memorandum of understanding. In the event that the memorandum of understanding establishes a retroactive effective date, this

section applies only prospectively and any employee who retires before the memorandum of understanding is signed shall not be affected by it. (

c) An agreement reached pursuant to subdivision (

a) is not valid if it provides an employer contribution for employees with less than five years of credited service with the City of San Gabriel. (

d) The City of San Gabriel shall provide, in the manner prescribed by the board, notice of the agreement established pursuant to this

section and any additional information necessary to implement this section. (

e) This

section applies only to the City of San Gabriel and only with regard to employees who are first hired on or after January 1, 2023, and elected officials who first served as elected officials on or after January 1, 2023.