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Regulations Section Interpretation List

Below is a list of the sections that have interpretations available for the selected category. To view the interpretations for a given section, click on the subject link below. To return to the list of parts, use the Parts link above.

The eCFR is also searchable by keyword and other available options on the eCFR website. To search and browse regulations using the eCFR website, use the link below. For assistance, please send an email to FMCSA.
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Section Subject
393.43 Breakaway and emergency braking.
393.44 Front brake lines, protection.
393.48 Brakes to be operative.
393.51 Warning signals, air pressure and vacuum gauges.
393.52 Brake performance.
393.60 Glazing in specified openings.
393.61 Truck and truck tractor window construction.
393.62 Emergency exits for buses.
393.65 All fuel systems.
393.67 Liquid fuel tanks.
393.70 Coupling devices and towing methods, except for driveaway-towaway operations.
393.71 Coupling devices and towing methods, driveaway-towaway operations.
393.75 Tires.
393.76 Sleeper berths.
393.81 Horn.
393.82 Speedometer.
393.83 Exhaust systems.
393.87 Warning flags on projecting loads.
393.88 Television receivers.
393.89 Buses, driveshaft protection.
393.93 Seats, seat belt assemblies, and seat belt assembly anchorages.
393.100 Which types of commercial motor vehicles are subject to the cargo securement standards of this subpart, and what general requirements apply?
393.102 What are the minimum performance criteria for cargo securement devices and systems?
393.106 What are the general requirements for securing articles of cargo?
393.201 Frames.
395.1 Scope of rules in this part.
395.2 Definitions.
395.3 Maximum driving time for property-carrying vehicles.
395.5 Maximum driving time for passenger-carrying vehicles.
395.8 Driver's record of duty status.
395.13 Drivers declared out of service.
395.15 Automatic on-board recording devices.
396.3 Inspection, repair, and maintenance.
396.9 Inspection of motor vehicles and intermodal equipment in operation.
396.11 Driver vehicle inspection report(s).
396.13 Driver inspection.
396.17 Periodic inspection.
396.19 Inspector qualifications.
396.21 Periodic inspection recordkeeping requirements.
396.23 Equivalent to periodic inspection.
396.25 Qualifications of brake inspectors.
397.1 Application of the rules in this part.
397.5 Attendance and surveillance of motor vehicles.
397.7 Parking.
397.13 Smoking.
399.207 Truck and truck-tractor access requirements.

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