California Supreme Court to review rulings on constitutionality of Prop 22

2020 referendum exempted gig workers from AB5 independent contractor law, but lower court decisions did not settle legal issues

The California Supreme Court will hear a case regarding the constitutionality of California's Prop 22. (Photo: Jim Allen/FreightWaves)

The battle over the constitutionality of California’s Prop 22 lives on, with the state’s Supreme Court granting review of mixed lower and appellate court rulings on the issue of exempting gig workers from independent contractor law AB5.

The Supreme Court on Wednesday said it would hear the appeal of the case, which was brought by a group of gig worker defendants. A driver named Hector Castellanos is the lead plaintiff. The Service Employees International Union California State Council is also a plaintiff.

The defendants are the state of California and the Uber/Lyft/DoorDash-backed group that got Prop 22 on the ballot, Protect App-Based Drivers and Services. 

At the core of the legal battle is the Prop 22 referendum approved by California voters on Election Day 2020. It protects gig drivers such as those for Uber, Lyft and DoorDash from AB5.

But in August 2021, Judge Frank Roesch of the Superior Court of Alameda County declared Prop 22 unconstitutional. He found that its provisions on the state’s workers’ compensation system were illegal, as were the referendum’s provisions regarding the methods by which the legislature could amend Prop 22 and the question of whether Prop 22 met the test of being about a “single subject,” which is a requirement under California law. 

While the March decision by the Court of Appeals for the 1st Appellate District overturned Roesch’s decision, it did so with an ambiguity that opened the door to an appeal with the state’s highest court, which now has been granted. 

Roesch’s decision was stayed so that AB5 has not been implemented against gig drivers in California.

The ambiguity in the appellate court’s decision is that it overturned the lower court ruling on workers’ compensation but supported the Roesch decision on the amendment process and the question of whether Prop 22 dealt with a single subject.

California is a defendant in the case because it is required to represent the voters who cast ballots in 2020, which puts the state in the position of supporting limits on the scope of AB5. The case ironically forces California to defend limits on AB5’s reach where gig workers are concerned even as the state seeks in two other cases to ensure that the law’s provisions continue to apply to the trucking sector. Those cases are the the one brought by the California Trucking Association (CTA) and the other by Uber and Postmates.

AB5 had been blocked by the CTA case but almost a year ago, on June 30, the U.S. Supreme Court denied review of an appellate court decision that had opened the door to trucking falling under AB5. The independent contractor law continues to be the prevailing regulation in the state’s trucking sector.

AB5 has at its core the ABC test for determining whether a worker is an employee or an independent contractor. The B part of the ABC test holds that a worker can be considered an independent contractor if he or she “performs work that is outside the usual course of the hiring entity’s business.” That can be a difficult burden for a trucking company hiring drivers who are independent and not employees, or a passenger transportation company like Uber hiring gig drivers.

More articles by John Kingston

XPO workers oust Teamsters at Miami-area site of groundbreaking contract

Port of Cleveland attempts to punch above its weight

Labor Department’s independent contractor rule not likely anytime soon

Upcoming FreightWaves Events
Compliance

Brokerage Compliance Symposium

The day before F3. Every compliance issue you face - fraud exposure, carrier liability, FMCSA rules, cargo theft, insurance gaps - navigated by attorneys and operators defining best practices in a changing industry.

October 26, 2026
The Signal at Chattanooga Choo Choo • Chattanooga, TN
Register Now
Awards

F3 Awards Dinner

The night before F3. FreightTech100 companies honored. FreightTech 25 and Shipper of Choice winners revealed live. Cocktail reception into dinner and live music - 300 industry leaders in one purpose-built room.

October 26, 2026
The Signal at Chattanooga Choo Choo • Chattanooga, TN
Register Now
FreightTech

F3: Future of Freight Festival

Industry-defining keynotes, rapid-fire technology demos, and industry leaders networking in experiences across Chattanooga - plus the inaugural F3 Awards Dinner featuring the FreightTech and Shipper of Choice reveals.

October 27, 2026 – October 28, 2026
The Signal at Chattanooga Choo Choo • Chattanooga, TN
Register Now
Compliance Brokerage Compliance Symposium Oct 26 • The Signal at Chattanooga Choo Choo • Chattanooga, TN

The day before F3. Every compliance issue you face - fraud exposure, carrier liability, FMCSA rules, cargo theft, insurance gaps - navigated by attorneys and operators defining best practices in a changing industry.

The Signal at Chattanooga Choo Choo • Chattanooga, TN Register Now
Awards F3 Awards Dinner Oct 26 • The Signal at Chattanooga Choo Choo • Chattanooga, TN

The night before F3. FreightTech100 companies honored. FreightTech 25 and Shipper of Choice winners revealed live. Cocktail reception into dinner and live music - 300 industry leaders in one purpose-built room.

The Signal at Chattanooga Choo Choo • Chattanooga, TN Register Now
FreightTech F3: Future of Freight Festival Oct 27 – Oct 28 • The Signal at Chattanooga Choo Choo • Chattanooga, TN

Industry-defining keynotes, rapid-fire technology demos, and industry leaders networking in experiences across Chattanooga - plus the inaugural F3 Awards Dinner featuring the FreightTech and Shipper of Choice reveals.

The Signal at Chattanooga Choo Choo • Chattanooga, TN Register Now

John Kingston

John has an almost 40-year career covering commodities, most of the time at S&P Global Platts. He created the Dated Brent benchmark, now the world’s most important crude oil marker. He was Director of Oil, Director of News, the editor in chief of Platts Oilgram News and the “talking head” for Platts on numerous media outlets, including CNBC, Fox Business and Canada’s BNN. He covered metals before joining Platts and then spent a year running Platts’ metals business as well. He was awarded the International Association of Energy Economics Award for Excellence in Written Journalism in 2015. In 2010, he won two Corporate Achievement Awards from McGraw-Hill, an extremely rare accomplishment, one for steering coverage of the BP Deepwater Horizon disaster and the other for the launch of a public affairs television show, Platts Energy Week.