VEH §12517.45: (a) A person shall not operate a motor vehicle described in subdivision (k) of Section 545 while transporting school pupils at or below the 12th-grade level to or from a public or private school or to

(a) A person shall not operate a motor vehicle described in subdivision (k) of Section 545 while transporting school pupils at or below the 12th-grade level to or from a public or private school or to or from public or private school activities, unless all of the following requirements are met: (1) The person has in his or her immediate possession all of the following: (A) A valid driver’s license of a class appropriate to the vehicle driven and that is endorsed for passenger transportation. (B) Either a certificate to drive a schoolbus as described in Section 40082 of the Education Code, or a certificate to drive a school pupil activity bus as described in Section 40083 of the Education Code, issued by the department in accordance with eligibility and training requirements specified by the department, the State Department of Education, and the Department of the California Highway Patrol. (C) A parental authorization form for each pupil signed by a parent or a legal guardian of the pupil that gives permission for that pupil to be transported to or from the school or school-related activity. (2) (A) The motor vehicle has passed an annual inspection conducted by the Department of the California Highway Patrol and is in compliance with the charter-party carrier’s responsibilities under Section 5374 of the Public Utilities Code. (B) The Department of the California Highway Patrol may charge a charter-party carrier a reasonable fee sufficient to cover the costs incurred by the Department of the California Highway Patrol in conducting the annual inspection of a motor vehicle. (b) A driver of a motor vehicle described in subdivision (k) of Section 545 shall comply with the duties specified in subdivision (a) of Section 5384.1 of the Public Utilities Code.