Uber’s Battle of Wills With California Doesn’t End With Prop 22

The California Public Utilities Commission’s threat to suspend Uber Technologies Inc.’s operating license shows that the state isn’t about to let go of oversight even after voters approved a hands-off approach to regulating gig employers’ business models.

Both sides are digging in for a fight over the commission’s order that Uber turn over information on witnesses to alleged incidents of sexual harassment and assault, and disclose who wrote the ride-hailing company’s industry-first, and only, safety report. It has threatened to fine Uber $59 million and pull its license if the information isn’t produced by Jan. 13.

“It’s fair ...