E Modifying certain school bus safety requirements; eliminating the authority of school boards to designate school bus driver day; eliminating the specific requirement for school districts to annually amend bus safety policies; requiring the motor vehicle registrar to collect an additional fee for processing drivers licenses with a school bus endorsement; authorizing the driving of a school bus without an endorsement for a certain limited period of time under certain conditions; imposing certain responsibility for endorsement status on the commissioner of public safety, the applicant and the employer of the driver; requiring the commissioner of public safety to accept physical examinations for school bus drivers conducted by medical examiners as authorized by certain federal regulations; requiring employers to keep school bus driver assessments available for inspection by representatives of the commissioner; modifying certain annual evaluation requirements (mk, ja)