California Code, Vehicle Code - VEH § 34520.3

(a) For the purposes of this section, a “school transportation vehicle” is a vehicle that is not a schoolbus, school pupil activity bus, or youth bus, and is used by a school district or county office of education for the primary purpose of transporting children.

(b) A school district or county office of education that employs drivers to drive a school transportation vehicle, and the driver of those vehicles, who are not otherwise required to participate in a testing program of the United States Secretary of Transportation, shall participate in a program that is consistent with the controlled substances and alcohol use and testing requirements of the United States Secretary of Transportation that apply to schoolbus drivers and are set forth in Part 382 (commencing with Section 382.101) of, and Sections 392.5(a)(1) and (3) of, Title 49 of the Code of Federal Regulations.

(c) It is the intent of the Legislature that this section be implemented in a manner that does not require a school district or county office of education to administer a program for drivers of school transportation vehicles that imposes controlled substance and alcohol use and testing requirements greater than those applicable to school bus drivers under existing law.