Cal. Education Code § 40089

(a) A school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor with no instructional limitations shall conduct at least 20 hours of instruction each 12 months that includes at least 10 hours of behind-the-wheel and 10 hours of classroom training, which need not be given in a single session. A school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor limited to either classroom or behind-the-wheel training only shall conduct at least 10 hours of instruction each 12 months that includes at least 10 hours of behind-the-wheel or classroom training depending on the limitation. The training need not be given in a single session. A school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor limited to in-service training only shall conduct at least 10 hours of in-service training each 12 months. All school pupil activity bus (SPAB), transit bus, schoolbus, and farm labor vehicle driver instructor training conducted by department staff may be accepted in lieu of the requirements of this subdivision. (b) A school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor may be limited to classroom instruction, behind-the-wheel training or in-service training only, and prohibited from recording, documenting, or signing for any training required by this article, as determined by the department. (c) A school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor shall be limited to behind-the-wheel instruction in vehicles that the instructor is qualified to drive. (d) All school pupil activity bus (SPAB), transit bus, schoolbus, or farm labor vehicle driver instructor training required by subdivision (a) shall be properly documented on a State Department of Education Training Certificate T-01, and signed by the state-certified instructor at the end of each 12-month training period. The signature certifies that the required instruction was conducted during the 12-month training period. Upon renewal of the instructor driver’s license, endorsement, or certificate, the completed instructor training record, recorded on the State Department of Education Training Certificate T-01, shall be submitted to the department in Sacramento.