302.276.  Suspension of school bus permit, when, penalty for noncompliance by driver with suspended permit. — If the director of the department of revenue receives notification of a failed drug, alcohol or chemical test pursuant to section 302.275 and the director makes a determination that such test was failed, then the director shall suspend the school bus permit, issued pursuant to section 302.272 of such person for a period of one year from the date the determination is made.  Any person who operates a school bus, as defined in section 301.010, after having the person's permit suspended pursuant to this section shall be punished in accordance with section 302.321.