Asleep at the Wheel? How to Safely Apply and Protect the MCA Overtime Exemption

• Years of back overtime liability (often in collective actions), liquidated damages, and attorneys' fees
• Exposure tied to mixed fleets and poor recordkeeping of vehicle assignments and work
• Costly disputes over job duties that don't match real-world work

The FLSA doesn't require overtime for qualifying drivers and other categories of employees when certain requirements are met. Grounded in federal motor carrier safety rules, this exemption was enacted in part to relieve tension between safety-based limitations on transportation employees' hours and the incentive to work longer hours for overtime pay. But legislative changes, conflicting court decisions, and strict eligibility rules create hazards for inattentive employers and fertile ground for litigation. This alert breaks down what employers need to know and how to avoid potholes.

The Basics: Four Requirements

To use the MCA exemption, all four requirements below must be met. Failure on any one of these requirements triggers liability in weeks that involve overtime.

1. Motor carrier employer. The employer must be a motor carrier (transporting property or passengers for compensation) or a motor private carrier (transporting its own property in interstate commerce), subject to the U.S. Department of Transportation's (DOT) authority to establish qualifications and maximum hours. Commercial garages and vehicle leasing companies generally do not qualify on their own, although joint employer relationships with carriers may satisfy this requirement.

2. Safety-affecting work. The employee's duties must have a substantial and direct effect on the safe operation of motor vehicles on public highways in interstate commerce and must have a substantial effect on safety. What matters is the nature of the safety-related activities rather than the proportion of time spent on those activities.

3. One of four job categories. Only drivers, driver's helpers, loaders, and mechanics qualify. Dispatchers, clerks, office staff, foremen, and salespeople, as those positions are typically defined, are out.

4. Vehicles more than 10,000 pounds. The employee must work on vehicles with gross vehicle weight rating (GVWR) or gross combined weight rating (GCWR) for vehicles pulling trailers above 10,000 pounds, with exceptions for smaller vehicles that transport hazardous materials or large numbers of passengers. In some jurisdictions, courts consider gross vehicle weight (GVW) to determine if the standard is met.

What Counts – and What Doesn't – for Each Job Category

What matters is what the employees actually do, not their job titles. Here is what the law requires for each category:

Drivers must operate the covered vehicles. They do not need to drive full-time, but courts consider whether they hold a commercial driver's license, complete DOT logs, and comply with DOT physical requirements. Employees who only move trucks around a yard without going on public roads typically do not qualify.

Driver's helpers ride in the covered vehicles and handle safety-related tasks like assisting with loading, flagging crossings, or managing breakdowns.

Loaders must use their own judgment to plan and build a balanced and secure load, not simply follow someone else's instructions or stack boxes by a simple pattern.

Mechanics must do hands-on inspection, repair, or maintenance that directly affects highway safety – think brakes, steering, tires, and transmissions. Workers who only wash, gas, paint, or perform body work on vehicles do not qualify.

The Interstate Commerce Connection

The employee's work must involve interstate commerce – either actually crossing state lines or handling cargo that is part of a continuous interstate journey. Importantly, employees do not need to personally make interstate trips. A reasonable expectation that they could be assigned interstate work is enough. Courts consider whether the employer performs interstate work, could take interstate business if it came along, and complies with DOT interstate requirements.

The Small Vehicle Problem

This is where most employers lose the exemption, often unintentionally. Legislative changes in the mid-aughts carved out employees working on vehicles with a GVWR of 10,000 pounds, or meaning they receive overtime unless they meet one of the exceptions for vehicles carrying hazardous materials or large numbers of passengers.

Mixed fleets are the biggest trap. Thanks to the unhelpful phrase "in whole or in part," courts have not uniformly defined how much time spent driving or working on small vehicles will cause the loss of the exemption in a given workweek. Courts have used terms like "not de minimis" and "not insubstantial" to describe small vehicle activities that will not destroy the exemption, but the analysis varies by jurisdiction. The DOL has taken a stricter position, finding that any work on a small vehicle in a workweek triggers overtime for that week.

How weight is measured matters. Most courts and the DOL use the manufacturer's GVWR – the rated maximum loaded weight on the door sticker – not the vehicle's actual weight on a scale. This is good news for employers whose trucks have high GVWRs but travel light. However, some courts consider actual weight, so employers should consider the standard used in their jurisdiction.

A Brighter Legal Landscape

The Supreme Court's 2018 decision in Encino Motorcars, LLC v. Navarro was a win for employers. The Court rejected the longstanding rule that overtime exemptions must be construed narrowly against the employer, holding instead that the exemption rules deserve a "fair reading." Some, but not all, courts have held that employees – not the employer – bear the burden of proving the small vehicle exception applies to them. That said, employers still carry the burden of proving the basic MCA exemption applies in the first place.

Protecting an Existing Exemption: Five Hazards to Avoid

1. Align exempt duties and titles. Courts look at what employees actually do, not what you call them. Make sure job descriptions match reality and that reality matches one of the four exempt categories.

2. Failing to document the interstate connection. Your employees do not need to personally cross state lines – but there must be a real (not merely theoretical) expectation that they could be assigned interstate work. Keep records showing your interstate operations and how trip assignments work. Also, the DOT only requires driving logs to be kept for a minimum of 6 months, while overtime liability under the FLSA can go back three years. This can leave a records gap if driving logs are needed to demonstrate interstate activity or identify vehicles used.

3. Letting exempt employees work with small vehicles. In a mixed fleet, even occasional work on a vehicle under 10,001 pounds may kill the exemption for that week. While insubstantial activity involving small vehicles may be okay, proving the nature and duration of such work can be an issue. Segregate assignments or track vehicle use meticulously.

4. Misunderstanding what "safety-affecting" means. A loader who just stacks boxes on instructions is not exempt – they must use independent judgment to build a safe load. A mechanic who only washes or fuels trucks is not exempt either.

5. Poor GVW/GVWR documentation. Some courts have held that registration documents showing "empty weight" or "gross weight" are not proof of GVWR. Keep door plate records, manufacturer specifications, or VIN-based verification for every vehicle your exempt employees operate.

Applying the Exemption for the First Time: A Checklist

1. Confirm you are a carrier. Make sure your company qualifies as a motor carrier or motor private carrier – or that a joint employer relationship with one exists.

2. Map actual duties to the four categories. Review what the employee really does on the ground – not just on paper – and confirm a substantial, direct connection to highway safety.

3. Verify the interstate nexus. Document that the employee has made, or could reasonably be expected to make, interstate trips. The DOT asserts jurisdiction for four months from the date an employee could have been called on for interstate work.

4. Check vehicle GVWR first. If any vehicle the employee might operate has a GVWR of 10,000 pounds or less (and does not carry hazmat or large numbers of passengers), the exemption likely does not apply for workweeks involving that vehicle.

5. Build a recordkeeping system. Automate where possible. Track hours, trip types, cargo, vehicle assignments, and GVWR for every truck in your fleet. Enforce compliance with written policies and consistent discipline.

6. Audit regularly. Classifications can drift as duties change. Conduct periodic reviews and correct misclassifications promptly.

Bottom Line

The MCA exemption is not only a cost-savings measure, but also can avoid incentivizing unsafe activity –only if you get it right. The biggest risk areas are:

• Mixed fleets
• Sloppy documentation
• Job duties that do not clearly affect vehicle safety

For many employers, the real exposure is not whether the exemption applies, but whether they can prove it. There is no better time than now to review your classifications and seek legal guidance if you have any doubts about whether you are driving on the right side of the road.

If you have questions about applying or complying with the MCA exemption for your business, please reach out to Jennifer Anderson, Mary Gentry, or the Baker Donelson attorney with whom you regularly work.