Final answer:
The question pertains to the training hours required for obtaining and renewing a 7D certificate, a driver's license endorsement. Specific hour requirements vary by state, and information can be found by consulting the respective Registry of Motor Vehicles or transportation authority.
Step-by-step explanation:
The question refers to the regulatory requirements for obtaining and renewing a 7D certificate, which is a type of driver's certification often needed for operating school buses or transporting passengers in certain states.
While the exact number of hours for PRE service (training required before service) to obtain the certificate and IN service (ongoing training) to renew the certificate can vary by state regulations, it is typically mandated that drivers complete a certain number of training hours. To find the precise requirements, one would need to refer to their state's Registry of Motor Vehicles or the appropriate governmental department overseeing transportation and driver certifications.