Section 26711 Of Chapter 4. Windshields And Mirrors From California Vehicle Code >> Division 12. >> Chapter 4.

. Every bus or trolley coach, except those first registered prior to January 1, 1960, and engaged in urban and suburban service as defined in Section 35107, shall be equipped with movable eyeshades of sufficient size to shade the eyes of the operator of a bus or trolley coach while it is being driven facing the sun.