County employees' retirement: Contra Costa County.

Existing law authorizes the Contra Costa County Board of Supervisors and the governing boards of districts within the county, if authorized by the board of supervisors, to provide service retirement allowances for general members based on a formula commonly known as the 2% at age 55 formula and to make a Tier Three program applicable to all new employees and to all current employees in Tier Two, and to provide members in Tier Three or Tier One, or both, with retirement allowances based on the 2% at age 55 benefit formula. This bill would authorize the Contra Costa County Board of Supervisors and the governing boards of districts within that county, if authorized by the board of supervisors, to negotiate with specified recognized employee organizations representing general members to subject general members who are hired on or after January 1, 2013, or a later date, to a 2% at age 60 formula, known as Tier Four, as specified. Existing law authorizes the Contra Costa County Board of Supervisors and the governing boards of districts within that county, if authorized by the board of supervisors, to negotiate with a recognized employee organization representing safety members regarding the conditions, as specified, to be required of employees who are or may become subject to the 3% at age 50 formula. This bill would authorize the Contra Costa County Board of Supervisors and the governing boards of districts within that county, if authorized by the board of supervisors, to negotiate with specified recognized employee organizations representing safety members to subject safety members who are hired on or after January 1, 2013, or a later date, to a 3% at age 55 formula, as specified. The bill would also make related changes.