Stoetzl

*1260 Plaintiffs are current and former correctional peace officers who work or worked at various state correctional facilities. They brought these coordinated class actions alleging they were improperly denied pay for time they spent under their employer's control before and after their work shifts. Ruling that plaintiffs' entitlement to overtime pay is controlled by federal, rather than California, law, the trial court entered judgment for defendants. 1 We shall reverse the judgment in part as to the subclass of unrepresented employees and affirm as to the subclass of represented employees.

*1261 I. BACKGROUND

A. The Actions

Plaintiffs alleged they were not paid for all the time they spent at the correctional institutions under defendants' control. Specifically, they were expected to sign in and sign out on time sheets that reflected only their officially assigned work day. Plaintiffs were required to be at their assigned posts at the beginning of their official shifts. However, the sign-in and sign-out locations were often significantly removed from plaintiffs' actual work posts, and they were not compensated for the time it took to travel from those locations to their work…