Cal. Pub. Util. Code § 5382

To the extent that such are not inconsistent with the provisions of this chapter, all general orders, rules and regulations, applicable to the operations of carriers of passengers under authority of certificates of public convenience and necessity issued pursuant to the provisions of Article 2 (commencing at Section 1031), Chapter 5, Part 1, Division 1 of this code, unless otherwise ordered by the commission shall apply to charter-party carriers of passengers.