In 2014, what did the FMCSA require regarding DVIRs?

Answer: C — Submit and retain DVIRs when defects are found

The correct answer reflects that the FMCSA (Federal Motor Carrier Safety Administration) mandates drivers to submit and retain Daily Vehicle Inspection Reports (DVIRs) specifically when defects are found. This requirement is in place to ensure that any safety issues identified during the pre-trip or post-trip inspections are formally documented and addressed. By reporting defects, carriers can take timely corrective actions to maintain vehicle safety and compliance with safety regulations. This approach also supports accountability, as it ensures that the vehicle's condition is monitored and any issues are formally recorded, which is critical for maintaining safety on the road. The focus on defects ensures that only vehicles with recognized safety concerns are flagged for further inspection, streamlining the process and enhancing operational efficiency while also prioritizing road safety.