Section 672.1 - [Effective until 11/1/2024] Purpose(a) This part implements a uniform safety certification training curriculum and requirements to enhance the technical proficiency of individuals who conduct safety audits and examinations of public transportation systems operated by public transportation agencies and those who are directly responsible for safety oversight of public transportation agencies.(b) This part does not preempt any safety certification training requirements required by a State for public transportation agencies within its jurisdiction.