Cal. Labor Code § 4604 : California Labor Code — Workers' Compensation And Insurance — Compensation Schedules — Medical And Hospital Treatment — Controversies between employer and employee determined by appeals board Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session Controversies between employer and employee arising under this chapter shall be determined by the appeals board, upon the request of either party, except as otherwise provided by Section 4610.5. Ca. Lab. Code § 4604 Amended by Stats 2012 ch 363 (SB 863),s 40, eff. 1/1/2013.