(

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

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

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

Article 9 (commencing with

Section 3548) of

Chapter 10.7 of Division of Title 1. (

b) This

section is not applicable 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 may not be affected by it. (

c) No agreement reached pursuant to subdivision (

a) shall be valid if it provides an employer contribution for employees with less than years of credited service with the City of San Diego. (

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

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

e) This

section shall only apply to employees who are either of the following:

(1) Members of the San Diego Police Officers Association.

(2) Unclassified or unrepresented employees of the City of San Diego.