Section 612 - "Tour bus" defined(a) "Tour bus" means a bus, which is operated by or for a charter-party carrier of passengers, as defined in Section 5360 of the Public Utilities Code, or a passenger stage corporation, as defined in Section 226 of the Public Utilities Code.(b) "Tour bus" includes a bus described in subdivision (a) that has had its roof substantially structurally modified or removed.Amended by Stats 2017 ch 310 (AB 25),s 1, eff. 1/1/2018.Amended by Stats 2015 ch 303 (AB 731),s 529, eff. 1/1/2016.