The certification need only appear on the carrier’s copy of the report if the trailer is separated from the tractor.

Certification must be made that all reported defects or deficiencies have been corrected or that correction was unnecessary. Question 9: Must certification for trailer repairs be made? Guidance: Either the driver or the commercial repair facility. Question 8: Who must certify under §396.11(c) that repairs have been made when a motor vehicle is repaired en route by the driver or a commercial repair facility? The declaration must be immediately followed by the signature of the person making it. Guidance: A motor carrier or its agent must state, in writing, that certain defects or deficiencies have been corrected or that correction was unnecessary. Question 7: What constitutes a 'certification' as required by §396.11(c)(1) and (2)? Guidance: The motor carrier must effect repairs of defective or missing parts and accessories listed in Appendix G to the FMCSRs before allowing the vehicle to be driven.

Question 6: Does §396.11(c) require a motor carrier to effect repairs of all items listed on a DVIR prepared by a driver before the vehicle is subsequently driven? Guidance: One vehicle inspection report may be used for any combination, provided the defects or deficiencies, if any, are identified for each vehicle and the driver signs the report. Question 5: Does §396.11 require a separate DVIR for each vehicle and a combination of vehicles or is one report adequate to cover the entire combination? Guidance: A motor carrier may use any type of DVIR as long as the report contains the information and signatures required. Question 4: Does §396.11 require a motor carrier to use a specific type of DVIR? A separate DVIR must be prepared for each power unit operated during the day’s work. Question 3: May more than one power unit be included on the DVIR if two or more power units were used by a driver during one day’s work? A driver must be satisfied that both the power unit and the trailer are in safe operating condition before operating the combination. Question 2: Does §396.11 require that the power unit and the trailer be inspected? This does not relieve the motor carrier from the responsibility of effecting repairs and certification of any items listed on the DVIR, prepared at the end of each day’s work, that would be likely to affect the safety of the operation of the motor vehicle. Guidance: A driver must prepare a DVIR at the completion of each day’s work and shall submit those reports to the motor carrier upon his/her return to the home terminal. Question 1: Does §396.11 require the DVIR to be turned in each day by a driver dispatched on a trip of more than one day’s duration?

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