Cal. Labor Code § 550 : California Labor Code — Employment Regulation And Supervision — General — Day's rest defined Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session As used in this chapter "day's rest" applies to all situations whether the employee is engaged by the day, week, month, or year, and whether the work performed is done in the day or night time. Ca. Lab. Code § 550